Top 15 Best King Size Mattresses – Full Guide & Reviews 2020

A perfectly sized mattress can go a long way in guaranteeing that you will enjoy pleasurable sleep night after night. A Best King Size Mattresses king size mattress can provide you with the comfortable space you need to be able to sleep without feeling cramped, with enough room around the sleeping surface to accommodate a loved one or two who will share the bed with you. A king size mattress is 76 inches wide and 80 inches long so you and your partner can have all the room you need to be able to move around comfortably in bed without worrying that you will bump and bother each other unintentionally, especially when shifting from one sleeping position to another in the middle of the night.

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Advantages of the Best King Size Mattresses

These are the benefits that you will appreciate when you have a king-size mattress on your bed.

Generous Space

A king size mattress offers the most generous space when it comes to mattress sizes, with the California king size that is 4 inches narrower coming in at a close second. This size is 16 inches wider than a queen size mattress and offers a significant upgrade that you will be able to enjoy from the first moment that you use the king mattress. The extra space will make it possible for you to sleep in whatever position you prefer and still have enough room to spread out on the mattress without encroaching on your partner’s personal space. A king size mattress is an excellent choice for couples who want to sleep with their kids on the same bed, or for those whose pets regularly hop in and out of the same sleeping surface.

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Top 15 Best King Size Mattresses in 2020

Thicker Profiles

King size mattresses are your best choices if you want to experience the luxury of sleeping on an extra-thick surface. These larger sized mattresses are available in more profiles that have a thickness of 10 inches or more, which can have a significant impact on the comfort and support that you will enjoy while sleeping or relaxing in bed. A thick mattress can make it feel like you are sleeping on a deluxe hotel bed, which can help you achieve better quality sleep without tossing and turning for hours on end. The best king size mattresses are also great choices for people who have taller or more substantial body structures who will benefit from the generous support and comfort that the additional thickness will provide for continuous sleeping enjoyment throughout the night

Luxurious Bedroom Enhancement

A king-size mattress and bed can immediately upgrade the look of your bedroom into one that looks dramatically more luxurious. The generous measurements of the king size mattress will easily stand out in the bedroom and lend an opulent aesthetic that smaller mattresses and beds will not be able to provide. You can even use the mattress as a canvas to showcase your most prized bed linens to transform your sleeping area into an artistic-looking space.

Types of King Size Mattresses

The types of king size mattresses available today are classified according to the materials used in creating the mattresses.

Foam Top 15 Best King Size Mattresses in 2020

Memory foam is one of the most common types of foam used in king size mattresses today. These mattresses have a high-density base that works to keep the body supported to promote correct spinal alignment for every sleeping position so that discomfort due to poor posture can be prevented. The memory foam material conforms to the shape of the body to deliver a comfortable hugging sensation.

Latex

Natural latex king size mattresses – using either the Dunlop or Talalay procedure – are created from the sap that comes from the rubber tree. The natural latex material offers a chemical-free option for your king size mattress that offers superb pressure relief, with the Talalay latex delivering a bounciness that makes moving on the mattress easier to manage. King size mattresses made from natural latex also sleep cooler compared to memory foam.

Innerspring

Innerspring king size mattresses feature steel coils that provide strong support and are often supplemented with thin layers of foam that provide comfort enhancement. The structure of the springs, however, usually produce too much noise and poor motion dampening which can result in sleep disturbance between partners sharing the same bed.

Hybrid

Hybrid king size mattresses combine a layer of steel coils with several layers of memory foam or latex. This results in a mattress that offers the strong support of the innerspring coils to keep your body stable in any sleeping position while delivering the comforting softness that your body craves to be able to achieve deep, recuperative sleep. These king size mattresses frequently come with cooling features to ensure that the sleeping surface will not heat up while you sleep for long hours at a time.

Features of High-Quality King Size Mattresses

Top 15 Best King Size Mattresses in 2020 The following are the qualities that you can expect from top-quality king size mattresses.

Comfortable

High-quality king size mattresses deliver maximum comfort by providing you with all the space that you need to be able to sleep comfortably in whatever position you desire without the cramped feeling. You can even shift from one sleeping position to another without bothering the deep sleep of your loved one sharing the same bed. A king size mattress is roomy enough to easily accommodate children you may want to sleep with their parents from time to time, or even on a regular basis.

Supportive

King size mattresses often come in thick profiles of 10 inches or more. This kind of thickness ensures that your body will be completely supported throughout the night while you sleep, or while you engage in other activities while in bed. The thick mattress can keep your body stable and help maintain proper posture regardless of the sleeping position you prefer.

Aesthetically Pleasing

King size mattresses come in dimensions (76 inches wide by 80 inches long) that result in an almost square shape. This profile makes is a wonderful choice for people who prefer the clean, uncomplicated lines of the nearly square bed to take center stage in their bedroom. The generous proportions also lend an air of luxury that smaller beds or mattresses cannot offer.

FAQs

Top 15 Best King Size Mattresses in 2020

Q: What makes a king size mattress more comfortable than smaller sized mattresses?

A: A king size mattress provides you with more space so you will not feel cramped regardless of the sleeping position you favor. You can spread out and shift positions without the need to limit your movements so you can enjoy the freedom of moving naturally on the generously sized sleeping surface.

Q: Is there a big size difference between a king size mattress and a California king-sized one?

A: The dimensions of the king size mattress is 76 x 80 inches, while a California king size mattress is 72 x 84 inches. Both sizes offer generous proportions, but the latter is narrower by 4 inches and longer by 4 inches than the king size mattress. This means that the California king size may be a more ideal choice for tall sleepers.

Q: How can a thick king size mattress make me feel more comfortable?

A: King size mattresses with thickness levels of 10 inches or higher provide enhanced comfort by keeping your body fully supported to maintain proper back alignment. This will prevent the discomfort that can come from your spine being curved unnaturally when you sleep on an unsupportive mattress.

Q: What is the best material for a king size mattress?

A: It depends on your needs and personal preference. A memory foam king size mattress is a great choice if you love sleeping while being surrounded by a hugging sensation as the material conforms to your body’s shape. Latex, especially the one manufactured using the Talalay method, is an ideal option for those who sleep hot because the material offers superior breathability. A hybrid king size mattress will work marvelously if you want the strong support and comforting plushness in one product.

Top 15 Best King Size Mattresses in 2020

image product Feature Rating  

Picture

Bed frame Feature

Rating

 

Casper Original Foam King Mattress

1. Casper Original Foam King Mattress
100-night risk-free sleep trial 4.7 CHECK ON AMAZON
Nectar Gel Memory Foam King Mattress 2. Nectar Gel Memory Foam King Mattress

Provides firm support

4.6 CHECK ON AMAZON
Lucid Memory Foam King Size Mattress 3. Lucid Memory Foam King Size Mattress
Extremely soft, airy and responsive 4.6 CHECK ON AMAZON

Leesa Original Mattress

4. Leesa Original Mattress
Dimensions: 75″L x 53″W x 10″H 4.5 CHECK ON AMAZON
Turf & Needle Original Mattress 5. Turf & Needle Original Mattress
Free of harmful chemicals, substances or materials 4.5 CHECK ON AMAZON
Sweetnight King 12-Inch Pillow Top Hybrid Mattress 6. Sweetnight King 12-Inch Pillow Top Hybrid Mattress
Certipur-US Certified foam 4.4 CHECK ON AMAZON
Classic Brands Cool Gel Ultimate Gel Memory Foam 14-Inch King Mattress 7. Classic Brands Cool Gel Ultimate Gel Memory Foam 14-Inch King Mattress
Maintain correct spinal alignment 4.4 CHECK ON AMAZON
Zinus 14-Inch Gel Memory Foam Pocket Spring Hybrid Mattress 8. Zinus 14-Inch Gel Memory Foam Pocket Spring Hybrid Mattress
10-year warranty 4.3 CHECK ON AMAZON
Ashley Furniture Signature Design 12-Inch Chime Express Memory Foam Mattress 9. Ashley Furniture Signature Design 12-Inch Chime Express Memory Foam Mattress
Hypoallergenic material 4.3 CHECK ON AMAZON
Classic Brands Mercer Pillow Top Hybrid 12-Inch Mattress 10. Classic Brands Mercer Pillow Top Hybrid 12-Inch Mattress

10-year warranty

4.2 CHECK ON AMAZON
Dynasty Mattress 14.5-Inch CoolBreeze Gel Memory Foam Mattress 11. Dynasty Mattress 14.5-Inch CoolBreeze Gel Memory Foam Mattress
Removable and machine-washable cooling cover 4.1 CHECK ON AMAZON
Sleep Innovations Marley 10-Inch Memory Foam Mattress 12. Sleep Innovations Marley 10-Inch Memory Foam Mattress
Medium-firm support 4.0 CHECK ON AMAZON
Vibe 12-Inch Gel Memory Foam King Mattress 13. Vibe 12-Inch Gel Memory Foam King Mattress
76 inch W x 80 inch L x 12 inch H 4.0 CHECK ON AMAZON
Milliard 10-Inch Memory Foam Mattress 14. Milliard 10-Inch Memory Foam Mattress
Excellent quality foam 3.9 CHECK ON AMAZON
Olee Sleep 13-Inch Galaxy Hybrid Mattress 15. Olee Sleep 13-Inch Galaxy Hybrid Mattress
High-density foam 3.8 CHECK ON AMAZON

1. Casper Original Foam King Mattress

Casper has dedicated years of researching the science and magic of sleep, with products created by the sleep Casper Original Foam King Mattress company’s top-notch research and development group. This king size mattress delivers targeted support to specific areas of your body to ensure that you will enjoy continuous comfort throughout long hours of sleep.

Material & Construction

The Casper Original Foam King Mattress is built with a heavy-duty base that keeps your body fully supported and offers enhanced durability by preventing sagging and sinking.

It features a middle layer of memory foam that has 3 targeted areas of support for reliable pressure relief and to maintain proper spine alignment while you sleep.

The top layer of perforated foam offers superb breathability to keep the air circulating on your sleeping surface to prevent overheating.

This king size mattress is made with foam that was created by recycling up to 121 plastic bottles, making this a plane-friendly product that delivers superior functionality and aesthetics.

It comes with a mattress cover that comes from recycling up to 57 plastic bottles, providing you with the comforting texture that you need without harming the planet.

All foams used in this mattress are CertiPUR-US-certified to contain no toxic or ozone-depleting chemicals to provide you with the peace of mind of knowing that you and your loved ones will not be exposed to harmful substances while using this product.

Comfort & Ergonomics

The king size mattress offers zoned support to specific body areas for your complete comfort throughout the night so you can prevent body pain regardless of the position you favor when sleeping.

The foam is created to be firmer on the lower back, waist, and hip areas to ensure that your back stays in correct alignment. It has a softer profile on the shoulder area that allows this area to sink in comfortably to prevent pressure spots from developing.

This mattress offers a wonderful balance of softness and firmness to keep all body types comfortable to achieve long, restorative sleep on a nightly basis.

It comes with a top layer of perforated foam that allows air to pass through without obstruction to keep the sleeping surface feeling comfortably cool no matter how long you stay in your preferred position so you can avoid a hot and sweaty feeling.

Durability & Warranty

This king size mattress offers a 10-year warranty and a 100-night risk-free sleep trial.

The strong base of the mattress prevents it from sagging and sinking so the high-quality aesthetics and performance are maintained for your continuous enjoyment for years to come.

Highlights

  • Features targeted support to relieve pressure points and deliver continuous comfort
  • The heavy-duty base resists sagging and sinking for long-term maintenance of function and aesthetics
  • Comes with a perforated top foam layer for enhanced breathability that keeps the surface cool
  • Made with CertiPUR-US-certified foams that contain no toxic or ozone-depleting chemicals
  • Created from almost 121 recycled plastic bottles for a high-quality and planet-friendly product

2. Nectar Gel Memory Foam King Mattress

Nectar is an e-commerce retailer that was established to produce the most comfortable mattress that will bring a Nectar Gel Memory Foam King Mattress great sleep experience to everyone. The king size mattress is crafted with 5 layers of high-quality foam that offer strong support to keep your body properly aligned while ensuring continuous comfort.

Material & Construction

The Nectar Gel Memory Foam King Mattress is built with a 5-lb. base layer of high-density foam that delivers maximum support the mattress and its occupants.

The base is supported by a mattress cover that helps maintain a secure position and prevents unwanted movement or slippage.

A high-grade transition foam layer offers another layer of support between the base and memory foam layers.

The gel-infused memory foam layer helps relieve pressure by distributing your weight on the surface for pain-free sleep night after night.

The mattress has a quilted Tencel mattress cover that keeps the sleeping surface airy and soft for your ultimate comfort in any sleeping position.

Comfort & Ergonomics

This king size mattress follows the shape of your body to prevent pressure spots from forming on your body, so you can sleep while surrounded by a hugging sensation that will make your slumber more pleasurable.

It provides the ideal level of support to keep your spine in proper alignment while ensuring that you will not experience the uncomfortable feeling of sinking in too deeply into the mattress, which can make moving on the surface difficult to manage.

The mattress is infused with a cooling gel that works to stabilize the surface temperature so you can be sure to sleep comfortably without overheating even in the warmest nights of the year. The cooling cover also contributes to an airy feeling that will protect you from being bothered with extreme heat.

It minimizes motion transfer by confining the effects of movements to the point where they were made, ensuring that your movements will not disturb the peaceful slumber of your loved ones staying on other parts of the bed.

Durability & Warranty

This mattress offers the Nectar Forever warranty that guarantees the product’s quality for as long as you own it. The company also offers a 365-night trial.

It comes with a high-density foam base that provides reinforced support while enhancing the mattress’ durability so you can enjoy the product’s impressive qualities for a long time.

Highlights

  • Conforms to the curves of your body for a comforting sensation while you sleep for hours
  • Isolates motion to confine movements’ effects and prevent sleep disturbance between partners
  • Relieves pressure points by equally spreading the body weight on the mattress’ surface
  • Fitted with a cooling Tencel cover that offers an airy softness to keep the surface comfortably cool
  • Provides firm support without the quicksand sensation that can hinder natural movement

3. Lucid Memory Foam King Size Mattress

Lucid offers mattress choices that cater to almost any requirement or preference imaginable to provide the most Lucid Memory Foam King Size Mattress comfortable sleep experience. This king size mattress offers a medium-firm feel for a wonderful balance of firmness and plushness.

Material & Construction

The Lucid Memory Foam King Size Mattress features a 9-inch layer of support foam to keep your body completely supported while you sleep for long hours during the night.

This support foam layer is infused with bamboo charcoal that works to keep the mattress fresher for a long time.

A 2-inch layer of transitionary foam offers additional support and comfort to keep your body from sinking uncomfortably into the mattress.

Two inches of gel-infused memory foam provides your body with a cradling sensation for superior comfort that can make your sleep experience more enjoyable.

The top layer is a 1-inch thick memory foam that offers support and softness with a responsiveness that resists impressions for a long time.

The foam used in crafting this mattress is CertiPUR-US-certified to have no harsh substances or chemicals that may be dangerous to your health.

Comfort & Ergonomics

This king size mattress provides a great balance of plushness and firmness to give you hours of continuous comfort night after night.

The gel memory foam offers reliable pressure relief by spreading your weight evenly on the mattress surface so your body is allowed to sink just enough to deliver superior comfort without letting you sink too deeply into the middle of the mattress.

This mattress comes with a bamboo charcoal infusion that works to keep the structure smelling fresh for a long time so you can enjoy sleeping on the surface without being exposed to unwanted or strong smells.

The gel infusion on the memory foam layer helps keep the mattress comfortably cool throughout the night so you can keep on sleeping without waking up to a sweaty feeling due to extreme heat.

Durability & Warranty

This king-size mattress comes with a 10-year warranty.

It has a dense support foam base that offers continuous stability and support so you can be sure that this durable mattress can bring you nights of blissful slumber for a long time.

Highlights

  • Offers reliable pressure relief by evenly distributing the weight of the body on the surface
  • Cradles the body’s shape for a comforting sensation that can make sleeping more enjoyable
  • Keeps the body completely supported to promote correct spinal alignment
  • Includes a bamboo charcoal infusion that keeps the mattress smelling fresh for a long time
  • Comes with a top layer that offers a plush responsiveness for your continuous comfort

4. Leesa Original Mattress

Leesa has more than 30 years of knowledge and experience in the mattress industry and continues to come up with Leesa Original Mattress products that cater to different price point and sleep type requirements. This king size mattress delivers well-balanced plushness and support to keep you sleeping like a baby throughout the night.

Material & Construction

The Leesa Original Mattress is built with a base layer of high-grade foam that offers maximum support for the mattress structure and its occupants.

It comes with a memory foam layer that relieves pressure points by equally spreading the weight of the body on the mattress surface.

A layer of breathable foam is placed on top to ensure that the sleeping surface maintains a comfortable and cool feel for your continuous comfort while you sleep for long hours during the night.

The mattress has a 4-striped mattress cover with a breathable nature to enhance the comfortably cool feeling for a peaceful sleep experience.

Comfort & Ergonomics

This king size mattress features a microcell structured foam that keeps the air continuously circulating to prevent heat from building up within the mattress, enabling you to sleep blissfully for the duration of the night without being troubled by extreme heat.

The soft cover is created to deliver maximum comfort without any tapered edges that can irritate your skin, especially when you sleep for long hours in mostly the same position.

The memory foam cradles the shoulders, hips, and back to relieve pressure so you can be protected from the pain that can result when the body is forced to press too tightly into the mattress.

This mattress works to keep your body supported to promote a correctly aligned spine, allowing you to sleep for a long time without your back being forced into an unnatural position that can bring a great deal of discomfort.

Durability & Warranty

This Leesa mattress comes with a 10-year warranty and a 100-night risk-free trial.

It has a proprietary support layer that keeps the mattress and its occupants completely stable while delivering maximum durability that you can count on for a long time.

Highlights

  • Uses a special foam material that promotes generous airflow to prevent heat accumulation
  • Keeps the back in a properly aligned position to prevent unnatural curving that can bring body pain
  • Relieves pressure by distributing the weight of the body equally on the surface of the mattress
  • The breathable cover keeps the surface cool and has no tapered edges so you can sleep in the most comfortable manner
  • Conforms to the contours of your body for superior comfort while you sleep

5. Turf & Needle Original Mattress

Tuft & Needle was founded by two software engineers who wanted to offer premium mattresses online to deliver Turf & Needle Original Mattress better sleep experiences to more customers. This king size mattress offers balanced firmness and plushness to offer the highest level of comfort for all sleeping positions, with the generous size providing the space you need to avoid a cramped feeling.

Material & Construction

The Turf & Needle Original Mattress is made using the proprietary T&N adaptive foam that offers impressive support to keep your body completely stable and properly aligned while you sleep.

A layer of open-cell foam on top ensures that the sleeping surface stays breathable so you can enjoy non-stop comfort that will help you sleep deeply for long hours at a time.

This mattress is infused with cooling gel beads that move heat away from the surface before it can disturb your peaceful sleep with extreme heat.

It also comes with graphite that wicks away heat so you can continue to sleep deeply throughout the night without feeling hot and sweaty.

The foam used in this mattress has a CertiPUR-US certification that guarantees it does not contain toxic and ozone-depleting substances that may be harmful to your health.

Comfort & Ergonomics

This king size mattress keeps your spine correctly aligned for long hours at a time while you sleep, which will protect you from the pain that comes when your back is curved into an unnatural condition when the sleeping surface you sleep on does not provide ample support.

It allows your body to slightly sink in to relieve pressure points and prevent discomfort even with long hours of sleeping, at the same time the mattress works to keep your body completely stable so you will not feel like you are being swallowed whole as if you are drowning in quicksand.

The open-cell structure of the foam used in this mattress keeps air moving freely through the material so body heat will not build up and will instead be moved outwards so it will not cause discomfort and sleep disruption.

Durability & Warranty

This Tuft & Needle king size mattress comes with a 10-year warranty and a 100-night sleep trial.

It has certifications from CertiPUR-US and Greenguard Gold that not only guarantee that the mattress is free from harsh chemicals but also ensure that it has passed the strictest quality standards for superb performance that you can depend on for long-lasting use.

Highlights

  • Uses a proprietary adaptive foam that offers flexible support for comfort in any sleeping position
  • Relieves pressure with the equal distribution of weight on the mattress surface
  • Infused with cooling gel beads and graphite that wick away heat to protect you from overheating
  • Offers strong support to keep your spine in correct alignment while you sleep throughout the night
  • Includes a breathable cover that helps maintain a comfortably cool sleeping surface

6. Sweetnight King 12-Inch Pillow Top Hybrid Mattress

Sweetnight crafts mattresses that are designed to help you wake up feeling completely refreshed by improving your Sweetnight King 12-Inch Pillow Top Hybrid Mattress sleep quality with products that offer the right balance of comfort and support. This hybrid king size mattress combines the power of steel coils and memory foam to ensure your deep slumber all night long.

Material & Construction

The Sweetnight King 12-Inch Pillow Top Hybrid Mattress comes with a layer of pocketed steel coils that keeps your body fully supported no matter what sleeping position you favor.

It comes with layers of high-density foam that work to keep the air flowing freely throughout the material, preventing heat from accumulating so you will not be bothered with an overheated feeling.

The gel memory foam layer follows the shape of your body for superior comfort and pressure relief that you can count on night after night.

This mattress has a medium-firm feel that will work great with all sleeping positions to ensure that you will get the most out of this king size mattress.

It comes with a quilted knit pillow top cover that is soft and non-irritating to the skin, so you can be sure that you can sleep comfortably without rough textures to disturb your comfort.

Comfort & Ergonomics

The spring coil layer of this king size mattress has 3 targeted support zones that ensure different areas of your body will be provided with the level of support necessary to keep you comfortable all night long.

These steel coils move independently to follow movements and keep them limited to the area of origin. This means that your tossing and turning will not be felt on the other side of the bed, allowing your partner to continue sleeping peacefully even with your restless movements.

This king size mattress has a gel memory foam layer that cradles your body to relieve pressure points and prevent discomfort by ensuring that pressure-sensitive body parts are allowed to sink in gently instead of being pressed too firmly into the mattress.

Durability & Warranty

This Sweetknight king size mattress comes with a 10-year warranty.

The pocketed coil layer features heavy-duty carbon steel spring coils that resist deformation and rust, prolonging the life of the mattress so you can continue to enjoy its excellent benefits for a long time.

Highlights

  • Equipped with pocketed springs that move independently to limit motion transfer and eliminate sleep disturbance
  • Allows air to freely pass through the mattress to dissipate heat and prevent it from building up within
  • Relieves pressure by distributing and absorbing weight evenly on the surface
  • Provides targeted support for different body areas to ensure your continuous comfort all night long
  • The gel infusion on the memory foam regulates the temperature on the surface to prevent overheating

7. Classic Brands Cool Gel Ultimate Gel Memory Foam 14-Inch King Mattress

Established in 1971 as Classic Corporation, Classic Brands continues to create premium quality mattresses using the Classic Brands Cool Gel Ultimate Gel Memory Foam 14-Inch King Mattress best materials, pioneering design, and impeccable techniques. This king size mattress comes with cooling qualities to ensure that you can sleep comfortably for the rest of the night.

Material & Construction

The Classic Brands Cool Gel Ultimate Gel Memory Foam King Mattress is constructed with a high-density foam base that works to stabilize your body to keep it in proper alignment in ay sleeping position.

It comes with a comfort foam layer with an open-cell configuration that keeps the air freely moving through the mattress to prevent heat from being stored within.

The top layer features the proprietary Cool Gel memory foam that offers a plusher and cooler surface for you to enjoy while you sleep in the most comfortable manner possible.

This mattress is delivered in a rolled and compressed package inside a box, making it much easier to maneuver through doors and hallways on its way to the bedroom where it can be set up in a convenient way.

It comes with a stretch knit fabric cover that has lovely detailing with accentuated side panels for a wonderful aesthetic addition.

The foam used is CertiPUR-US-certified to contain no chemicals or toxic substances that may pose health risks.

Comfort & Ergonomics

The cool gel memory foam on top of this mattress works at a faster recovery time compared to other memory foam materials, ensuring that the surface quickly responds to your movements for the best sleep experience.

The cool gel incorporated into the memory foam helps in regulating the temperature on the surface so it stays comfortably cool no matter how long you stay in your sleeping position and even when the room temperature spikes during the night.

This mattress stabilizes your body and helps maintain correct posture even when you are sleeping so you will not experience body pain arising from your back being curved in unnatural ways during the night.

The memory foam is naturally hypoallergenic and is resistant to bacteria, mold, and allergens so it can safely be used by people who are allergic or sensitive to the above-mentioned substances or too harsh chemicals.

Durability & Warranty

This Classic Brands king size mattress has a 10-year warranty.

It comes with a high-density foam base that offers enhanced durability so you can rest assured that you will be able to fully enjoy the mattress and its features for a long time.

Highlights

  • Supports the body to maintain correct spinal alignment throughout the night
  • Delivers increased airflow within the mattress to disperse heat and prevent overheating
  • The cool gel-infused memory foam offers a plush and cool surface for you to sleep on in the most comfortable manner
  • Reduces pressure points on the back, neck, and shoulders for pain-free sleep
  • The memory foam is naturally hypoallergenic and is resistant to bacteria and molds

8. Zinus 14-Inch Gel Memory Foam Pocket Spring Hybrid Mattress

Zinus creates mattresses that are designed to bring superior comfort with natural materials that provide you with the Zinus 14-Inch Gel Memory Foam Pocket Spring Hybrid Mattress peace of mind you deserve while enjoying the best sleep experience. This king size mattress brings together the best of both worlds with a supportive and plush profile to keep you slumbering deeply into the night.

Material & Construction

The Zinus 14-Inch Hybrid Mattress is equipped with a 7.25-inch layer of individually encased springs that keep your body supported while reducing motion transfer.

A total of 2.5 inches of ViscoLatex foam provides the right level of support and comfort that you will feel while you are using this mattress.

A 3-inch thick layer of cooling memory foam conforms to your body’s curves to relieve pressure points and promote a pain-free night of sleep.

The 1.25-inch layer of quilted plush layer on top offers superb comfort to make you fall asleep faster without tossing and turning while you try to get to sleep.

Comfort & Ergonomics

The fusion gel memory foam used in this mattress keeps the surface temperature maintained at a cool level so you can be sure that you will be able to enjoy complete comfort without suffering from intense heat even when you sleep for long hours at a time.

This mattress features strong edge support that allows you to enjoy even more of the king size mattress’ spacious proportions without the feeling that you will fall off the bed when you stay close to the edges.

The individually encased springs reduce motion transfer by ensuring that movements will be limited to where they were made. You can work on your laptop in bed through the wee hours of the morning and your loved one on the other side of the mattress will not be disturbed by your movements.

These springs help maintain the correct posture for your body no matter what sleeping position you are fond of, so you can avoid the body pains that come with incorrect spinal alignment while in bed.

Durability & Warranty

This king size mattress comes with a 10-year warranty.

It is equipped with a foam encasement that brings superior edge support and helps maintain the mattress’ durability for a long time.

Highlights

  • Built with a cooling gel memory foam that delivers a cooling plushness for your superb comfort
  • Equipped with individually pocketed springs that help maintain proper spinal alignment
  • Limits the effects of movements to eliminate sleep disturbance due to motion transfer
  • The spring layer allows air to move freely within the mattress to prevent heat accumulation
  • Comes with reinforced edge support so you can enjoy more of the mattress’ generous proportions

9. Ashley Furniture Signature Design 12-Inch Chime Express Memory Foam Mattress

Ashley Furniture HomeStore has been furnishing homes since 1945 with a wide selection of high-quality products Ashley Furniture Signature Design 12-Inch Chime Express Memory Foam Mattress catering to varying lifestyle needs. This king size mattress delivers all the benefits of a memory foam mattress in a generously sized mattress that will give you all the space you need for comfortable sleep.

Material & Construction

The 12-Inch Chime Express Memory Foam King Size Mattress is built with an 8-inch core foam layer that maintains correct back alignment while enhancing the durability of the product for long-term use.

A 2-inch thick layer of transition foam sits atop the base foam to provide additional support and support to keep you sleeping blissfully throughout the night.

The top layer features 2 inches of memory foam that gently conforms to your body’s curves for enhanced comfort.

The king size mattress comes with a hypoallergenic stretch knit cover that protects the mattress while ensuring that you will be surrounded by a skin-friendly texture as you sleep.

Comfort & Ergonomics

This king size mattress delivers strong support to keep your back properly aligned while sleeping in the position that you prefer, so you can enjoy a restorative sleep for the rest of the night without being greeted by body pains when you wake up the next morning.

It works to limit the effects of movements across the surface to minimize sleep disturbance. You can continue sleeping peacefully even when your partner on the other side of the mattress frequently gets up and comes back to bed during the night.

The memory foam layer follows the contours of your body to relieve pressure spots, allowing pressure-sensitive areas such as the shoulders and hips to sink in gently instead of being painfully pressed into the mattress.

The knit cover offers superior breathability to allow excess heat to be dispersed instead of accumulating deep within the mattress and causing an uncomfortably hot feeling that can disrupt your sleep.

Durability & Warranty

This mattress comes with a 3-year warranty.

The strong base layer keeps your body supported while enhancing the durability of the mattress so you can keep on enjoying the remarkable qualities for years to come.

Highlights

  • Follows the contours of your body to relieve pressure points and prevent pain while sleeping
  • Helps maintain proper spine alignment while you sleep for long hours at a time
  • Prevents the effects of movements from spreading across the mattress surface to minimize sleep disturbance
  • Comes with a breathable cover that keeps the surface comfortable and cool to prevent overheating
  • The cover is hypoallergenic and can be used safely by people who are allergic or sensitive to harsh chemicals

10. Classic Brands Mercer Pillow Top Hybrid 12-Inch Mattress

Classic Brands is a leading brand of specialty sleep products that deliver superb performance and aesthetics at Classic Brands Mercer Pillow Top Hybrid 12-Inch Mattress reasonable prices. This king size mattress features premium foam layers along with innerspring coils to provide you with the comfort and support you need for restorative sleep night after night.

Material & Construction

The Classic Brands Mercer Pillow Top Hybrid 12-Inch Mattress comes with a high-density foam base that keeps the body stable and supported while you sleep for the duration of the night.

It has a layer of individually wrapped innerspring coils that independently move to match your body’s movements and help in supporting the weight of the mattress’ occupants.

An open-cell comfort foam layer keeps air flowing continuously to disperse heat and prevent a hot and sweaty feeling disturbing your sleep.

The top gel-infused memory foam layer conforms to the body’s shape while keeping the surface temperature regulated for a cool and comfortable sleep experience.

This memory foam is naturally antimicrobial and is resistant to mold, dust mites, bacteria, and allergens.

Comfort & Ergonomics

This king size mattress cradles your body and follows your shape for a comforting sensation that also results in excellent pressure relief, allowing pressure-prone parts such as the hips and shoulders to slightly sink into the surface rather than being pressed too firmly into the mattress which can cause a great deal of discomfort.

It is infused with a cooling gel that wicks away heat so you can continue sleeping soundly without being bothered with intense warmth in the middle of the night.

The memory foam and individually encased innerspring coils work together to decrease motion transfer so movements will not be felt across the mattress. This means that you can continue sleeping peacefully on your side of the bed even when your partner tosses and turns on the other side.

This mattress works to keep your spine in a properly aligned condition so you can enjoy a rejuvenating sleep experience that will allow you to wake up feeling completely refreshed and pain-free the next morning.

Durability & Warranty

This king size mattress offers a 10-year warranty.

The innerspring coils keep the mattress stable while enhancing its durability to keep it fully functional for years to come.

Highlights

  • Offers strong support to keep your spine correctly aligned while you sleep
  • Conforms to your body’s shape for a cradling sensation to enhance your comfort
  • Eases pressure spots by allowing the body to slightly sink into the mattress instead of pressing painfully
  • Reduces motion transfer to minimize sleep disruption among individuals sharing the same king size mattress
  • The cool gel infusion works to wick heat away from your body to prevent discomfort from overheating

11. Dynasty Mattress 14.5-Inch CoolBreeze Gel Memory Foam Mattress

Dynasty Mattress is a bedding company that aims to deliver improved sleep quality using premium memory foam Dynasty Mattress 14.5-Inch CoolBreeze Gel Memory Foam Mattress offered at reasonable prices and delivered in boxes for your complete convenience. This king size mattress will keep you comfortably cool and blissfully sleeping all night long.

Material & Construction

The Dynasty Mattress 14.5-Inch CoolBreeze Gel Memory Foam Mattress comes with an 8.5-inch layer of sturdy base foam that enhances the overall strength and durability of the mattress.

This base foam is followed by 2 inches of cool airflow support to allow air to flow freely through the material and disperse excess heat.

A 2-inch gel-infused memory foam made with sleep foam technology offers impressive support and cooling to keep you sleeping blissfully throughout the night.

A 2-inch layer of high-density cool gel-infused memory foam is added for superb contouring that will keep you surrounded with a welcoming sensation.

A fire barrier layer is incorporated to the top layer to help fire from spreading across the mattress in emergency situations.

Comfort & Ergonomics

This mattress offers a medium-soft feel that would appeal to those who prefer a plusher sleeping surface with any sleeping position.

The cooling gel ensures that you will always have a comfortable surface to sleep on regardless of how long you stay in your preferred sleeping position.

This king size mattress allows air to pass through unencumbered, so body heat is dissipated and prevented from building up to prevent discomfort.

It reduces motion transfer by confining the movements to the area where they were made, so they will not spread to other parts of the mattress where they can cause sleep disruption.

Durability & Warranty

This mattress comes with a 30-year limited warranty.

The foam base provides strong support while working to keep the structural integrity of the mattress for long-term use.

Highlights

  • Delivers a medium soft feel for a luxurious plushness you will enjoy night after night
  • Bult with a strong foam base to keep the mattress looking and functioning perfectly for years to come
  • Cooling gel infusions keep heat away from your body to prevent intense warmth from disrupting your sleep
  • Includes a removable cooling cover for easy cleaning and maintenance and long-term use
  • Keeps the back properly aligned to prevent body aches while sleeping

12. Sleep Innovations Marley 10-Inch Memory Foam Mattress

Sleep Innovations creates mattresses using premium foams and fabrics to deliver the best sleep experience without Sleep Innovations Marley 10-Inch Memory Foam Mattress the shockingly high price tag. This king size mattress offers advanced cooling to ensure that your deep sleep will not be disrupted by extreme warmth.

Material & Construction

The Sleep Innovations Marley 10-Inch Memory Foam Mattress is constructed with 5 inches of premium base foam that offers reliable support and stability for long-lasting use you can depend on.

A 3-inch layer of premium air channel foam allows air to pass easily to keep heat from building up within the mattress.

The top 2 inches of cooling gel memory foam offers conforming comfort while ensuring the surface remains comfortably cool throughout the night.

A quilted cover keeps you surrounded by a soft and inviting texture that can make your sleep even more pleasurable.

Comfort & Ergonomics

This king size mattress comes with air channels that encourage air to pass continuously so heat will not be trapped within. This feature keeps you protected from an overheated sensation that can ruin a good night’s sleep.

The gel memory foam also keeps the surface cool and comfortable while conforming to the contours of your body so you can enjoy the cradling effect for the duration of the night.

This mattress offers medium-firm support that relieves pressure spots and keeps you sleeping blissfully throughout the night no matter what sleeping position you prefer.

Durability & Warranty

This Marley king size mattress from Sleep Innovations comes with a 10-year warranty.

The premium base foam is guaranteed for long-term use so you can continue to enjoy the mattress for years to come.

Highlights

  • Equipped with air channels that allow air to flow freely to protect you from feeling overheated
  • Gives a cradling sensation that can make your sleep more comfortable
  • The cooling gel infusion works to keep the sleeping surface cool for the rest of the night
  • Built with a durable base foam for long-lasting performance and aesthetics
  • Helps promote correct spinal alignment to prevent body aches

13. Vibe 12-Inch Gel Memory Foam King Mattress

This Vibe mattress is a Classic Brands product made with premium quality materials but offered at an affordable Vibe 12-Inch Gel Memory Foam King Mattress price, providing customers with a deluxe sleep experience with superb comfort without breaking the bank.

Material & Construction

The Vibe 12-Inch Gel Memory Foam King Mattress is made with a high-density foam base to keep the mattress completely stable and strong for years to come.

A layer of open-cell foam delivers much-needed breathability to prevent heat buildup within the mattress and on the surface.

The top gel memory foam layer follows the body’s shape while keeping the temperature regulated for enhanced comfort.

The mattress includes a quilted stretch knit cover that adds a luxurious feel, keeping you surrounded by an inviting material while you sleep.

Comfort & Ergonomics

This king size mattress works to distribute your body’s weight evenly on the surface to ease pressure points and prevent body pains from setting in while you sleep.

It hugs the curves of your body for a cradling feeling that can make sleep more pleasurable regardless of the sleeping position you prefer.

The mattress allows air to move easily within to drive out excess heat, while the cooling gel on the surface retains a comfortable temperature to keep you sleeping peacefully without being disturbed by heat and sweating.

The naturally hypoallergenic memory foam is resistant to mold, allergens, dust mites and bacteria, making this mattress an ideal choice for people who are allergic or sensitive to these substances.

Durability & Warranty

This Vibe mattress from Classic Brands comes with a 10-year warranty.

The high-density foam base delivers long-lasting strength and durability you can count on for years to come.

Highlights

  • An affordable gel memory foam option with high-quality features
  • Conforms to your body’s shape for a welcome cradling sensation
  • Offers great pressure relief by distributing the body’s weight evenly on the surface
  • A breathable foam layer keeps air flowing freely within the mattress to dissipate heat
  • The cooling gel maintains a comfortably cool sleeping surface for blissful sleeping

14. Milliard 10-Inch Memory Foam Mattress

Milliard creates top-quality sleep products that are tested and evaluated to guarantee their superb performance and Milliard 10-Inch Memory Foam Mattress aesthetics. This king size mattress delivers the support and comfort needed to ensure a restorative sleep all night long.

Material & Construction

The Milliard 10-Inch Memory Foam Mattress features a 7.5-inch thick high-density foam base that works to provide superior strength and durability that you can count on for heavy-duty use.

It comes with a 2.5-inch top layer of memory foam that adds a welcome plushness for an enjoyable sleep experience.

This mattress is built with a consistently supportive foam that will not easily sag or lose its shape for long-lasting performance.

It has a wonderfully textured cover that can easily be removed and washed for your convenience.

An interior cotton rib cover acts as a fireproofing material to prevent flames from spreading throughout the mattress in emergency situations.

Comfort & Ergonomics

This king size mattress offers a medium-firm feel that can bring the best sleep experience for all sleeping positions.

It helps stabilize your body while you sleep so your back remains in a properly aligned position that will keep you protected from feeling discomfort.

The mattress distributes your weight evenly and allows your body to sink in gently instead of being pressed strongly to the mattress, preventing pressure spots from forming for a pain-free sleep experience.

It reduces sleep disturbances by keeping motion isolated to the part of the mattress where it was made, preventing it from spreading across the mattress.

Durability & Warranty

There is no specific information about this product’s warranty, but the company guarantees that the premium quality memory foam mattress is built to last.

The excellent quality foam is designed to resist sagging and will retain its superb aesthetics and performance for a long time.

Highlights

  • Conforms to the contours of your body for a welcoming sensation as soon as you lie down
  • Comes with a cotton rib fireproofing material that does not use fiberglass or chemicals
  • Ease pressure points by the equal distribution of weight across the mattress
  • Helps keep the spine in a correctly aligned position to prevent back and body aches
  • Naturally hypoallergenic to keep you sleeping in a safe, healthy environment

15. Olee Sleep 13-Inch Galaxy Hybrid Mattress

Olee Sleep offers high-quality sleep experiences with outstanding products that are designed using painstaking Olee Sleep 13-Inch Galaxy Hybrid Mattress product development and various innovations. This king size mattress eases pressure points while keeping the sleeping surface cool for a wonderful sleep all night long.

Material & Construction

The Olee Sleep 13-Inch Galaxy Hybrid Mattress is built with a high-density foam base to keep the mattress structure strong and supportive for a long time.

It comes with a 7.5-inch high layer of pocket springs for enhanced firmness and stability and to reduce motion transfer.

A memory foam layer follows the shape of the body for supreme comfort, while the gel-infused memory foam helps in easing pressure spots while regulating surface temperature.

A washable cover makes cleaning and maintenance easier to manage for the mattress’ longevity.

Comfort & Ergonomics

This king size mattress has individually encased springs that work to significantly reduce motion transfer by isolating the movements to their point of origin. This stops the movements from being felt in other parts of the mattress to prevent sleep disturbance among individuals sharing one bed.

The gel memory foam keeps the sleeping surface comfortably cool all throughout the night to prevent an overheated feeling that can ruin your deep sleep.

This mattress conforms to the curves of your body so you will feel lovingly cradled as soon as you lie down, which can make you fall asleep faster so you can spend an even longer time in recuperative sleep.

It delivers superb pressure relief by spreading the body’s weight evenly on the surface to prevent pain from setting in on pressure-prone parts.

Durability & Warranty

This Olee Sleep king size mattress has a 10-year warranty.

The innerspring coils are covered with layers of memory foam and high-density foam to ensure that they will keep providing excellent support and durability for years to come.

Highlights

  • Relieves pressure spots by evenly spreading the weight of the body on the mattress
  • Adapts to the body’s contours for a cradling sensation that can make sleep even more blissful
  • Prevents sleep disturbance by keeping movements confined to where they were made
  • The gel memory foam helps keep the surface comfortably cool throughout the night
  • The innerspring coils help keep the spine in a correctly aligned condition while sleeping

Maintenance Tips for the Best King Size Mattresses

  • Avoid jumping on the surface as this may damage the inner parts and construction of the mattress.
  • Keep the mattress clean by using a vacuum cleaner to remove all the dirt on the surface.
  • Do not use any type of dry-cleaning chemicals or substances because they may the comfort layers or upholstery of the mattress.
  • Quickly deal with stains using cold water and a mild detergent mixture and gently pat on the affected area.
  • Allow the treated or cleaned area to thoroughly dry before covering the mattress to prevent molds from developing.
  • You may want to use a thin mattress protector for added protection that will still allow heat to dissipate from the surface.
  • Regularly rotate the mattress to prevent just one side or area from bearing the brunt of frequent usage.
  • Use a supportive bed frame to ensure that the performance and the aesthetics of the king size mattress will be maintained for a long time.

Conclusion

A king size mattress makes it easier for you to achieve the best sleep experience without the cramped feeling, even when you share the same space with loved ones. It also allows you to move more freely so you can have a wonderful sleep experience in any sleeping position. The best products in this category have been selected to help you have a clearer idea of the options that will be most suitable for your needs.

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