Futon products are no longer coarse as they used to be once. They have come a long way. They used to be gigantic 
Read our latest guide about the best futons for sleeping.
Benefits and Uses of King Size Futon Mattresses
Futons and mattresses are usually sold separately; the mattress can be selected to suit the user’s preferences. The most important thing to understand about any 
The benefits obtained from a King size futon mattress are plenty, and these are also related to the purpose of buying these on par of the user. In case, the user needs to use the Futon matters every day; it would be wise to spend on a high-quality and costly mattress while in case, it is going to be used only occasionally when the guests arrive, probably the purchaser can go for a simpler one which is more economical.
Versatility
The user needs to remember that the King size Futon mattress is a 2 in one product as it would be sometimes used as a bed and at other times, it would be utilized for seating purposes. Thus, the futon mattress needs tone versatile in this respect and should be able to play both of these parts properly and comfortable. The biggest benefit, in fact of a King size futon mattress, is its ability to serve two purposes and therefore, it needs to be good for both. It is also a good idea to choose a futon mattress that suits the user’s preferences in terms of firmness, comfort, and support. Many users would prefer to choose one that is very easy to move around.
Mattress Cover
The user also gets the benefit of choosing the matters to cover, and that can be according to his/her choice of color and fabric. Moreover, there are many solid patterns also available in color; thus the user has got plenty of choices to suit the room decor. There are many types of fabrics available for King size Futon mattress covers, and these include cotton, microsuede, microfiber, etc. There are many futon mattresses which are made available to the user along with a water-resistant cover. However, not all mattresses would have a cover with them. It would have to be bought separately. The user benefits if the cover is included; however, this has to be investigated before the purchase.
Comfort
Comfort is of prime importance with futon mattresses. In the case of futon mattresses, comfort is related to both sleeping as well as sitting on the mattress. In case the futon mattress has been placed by the user in the living room, it is highly likely that it would be used by guests when they come to visit and sit on it. Therefore, well-built futon mattresses are equally good for both sleeping a well as sitting. The comfort level of thee mattresses depends directly on the materials used to manufacture it. These days, the futon mattresses are as comfortable as other regular mattresses and 
Read our complete guide about the most comfortable futons.
Types of King Size Futon Mattresses
The futon mattresses are available in many different types. For this reason, the choice to the user is quite extensive. Mostly, it is the filling material which differentiates them. Some are filled with cotton and wool pieces while many others are built in such a way that they contain coil springs like many other types of mattresses. It is therefore important for the prospective purchaser to make a choice depending on the firmness level he/she requires as well as the choice for the filling material needs to be made. There are many King size Futon mattress that is made out of memory foam ad these mattresses are extremely comfortable as they take the shape of the body of the user. If the memory foam is a gel-infused one, the mattress would also become a highly breathable mattress and would keep the user cool throughout the night enabling him/her to have a very comfortable sleep.
The 6-inch thick coil mattress provides a high level of comfort as well as support. These are also more expensive as compared to other foam mattresses. These mattresses have innerspring coils which offer a very high level of comfort and ease just like a regular bed. This is especially good for those people who plan to use the futon mattress mostly for sleeping themselves or for making their guests sleep on it. The cotton batting and foam mattresses also provide a lot of ease and comfort and are also able to keep their shape for a long time. The benefits that accrue from purchasing cotton or foam mattresses is that they are much lighter as compared to spring mattresses. The memory foam mattresses have become the most [popular in recent years as they provide support to all types of sleepers regardless of their sleep position.
Features of Best King Futon Mattresses
Best King size Futon mattresses are extremely durable. They can last for as long as 20 years or so. The aesthetics of the mattresses are also very important, and these days the mattresses offer a variety of different choices in this regard along with the extra colors, patterns, and fabrics available for the mattress covers. The foam mattresses can maintain their shape for long; however, sometimes the coil spring mattresses, especially if use extensively would tend to lose shape with time.
Durability
If the King size futon mattress is made with the right kind of materials regardless of whether it is a foam mattress or one with cotton batting or a coil spring mattress, it would be extremely durable and maintain its shape and quality as well as the comfort level for several years. If the materials are durable, the mattress would be durable as well. It is always a good idea to check the warranty for the mattress. The durability of the mattress is 
Sleeping Position
The Futon mattress needs to be quite soft in case the user is used to sleeping on the side. The softness of the mattress would let the shoulders of the user sink into the mattress. This way, there would not be too much pressure on the neck and the spine. For those people, however, who sleep on their backs, the best mattress for them would be one that is rather firm as it would be able to support the user’s back properly. Any mattress with an elastic foam layer would also be very much suited as it would let the user’s spine to relax. For those people who sleep on their stomach, it is best to choose the firmest of all futon mattresses as it would eliminate the possibility of strains on the user’s neck.
TOP 8 BEST KING SIZE FUTON MATTRESSES IN 2022
| Picture | Name | Feature | Price | Rating |
|---|---|---|---|---|
|
Picture |
Name | Feature | Price |
Rating |
 |
1. King Size Moonshadow Futon Mattress from Otis Bed |
Comfortable -Elite plush soft | $$$ | 4.8 |
 |
2. Japanese Futon King Mattress CLASSE with Igusa (Rush Grass) |
comfortable and durable | $$ | 4.8 |
 |
3. Au Natural 8” Loft All Cotton Filled Futon Mattress | Ideal for platform beds | $$$ | 4.7 |
 |
4. 4 Inch Folding Sofa from LUCID[ |
CertiPUR-US certified | $$$ | 4.6 |
| 5. Sleeping Tatami Floor mat, Foldable Futon Tatami King Mattress from Lovehouse |
Soft And Thick: 6 Cm | $$$ | 4.6 | |
 |
6. Brown Flannel Tatami Floor Mat Futon King Mattress Sleeping Pad from MAXYOYO |
5 cm thick | $$ | 4.5 |
 |
7. Grey Flannel Japanese Floor Futon King Mattress from ColorfulMart |
Top Layer: 100% Flannel | $$ | 4.5 |
 |
8. Futon Furniture Traditional Japanese King Futon Mattress from D&D | 3 inches thick | $$ | 4.5 |
1. King Size Moonshadow Futon Mattress from Otis Bed
The King Size Moonshadow Futon Mattress from Otis Bed is designed and constructed to be used along with a platform bed or a bi-fold frame. The 
Materials
The King Size Moonshadow Futon Mattress from Otis Bed is contracted with 10 inches of a high-quality blend of flat and convoluted foam with a minimum weight of 2 lbs. This foam is instrumental in providing the extremely plush feel of the Otis bed which is very popular with the users. The mattress also contains multiple layers of Flame Retardant Rayon which offer conformity with Flammability Standard 16 CRF Part 1633. This offers a high level of safety along with unparalleled comfort. The fabric is 100% polyester fabric.
Comfort and Support
The King Size Moonshadow Futon Mattress from Otis Bed has got a flip-able design which makes it very useful indeed. It is equally comfortable on both sides. The user can get both comfort and support which are necessary for a good night’s rest without any discomfort or sinking into the mattress, etc.
Breathability
The King Size Moonshadow Futon Mattress from Otis Bed is made out of polyester fabric which repels water. However, it is also highly breathable and allows the sweat and moisture to be wicked away from the user. This offers temperature regulation, and the user can sleep very comfortably throughout the night and remains perfectly cool as well.
Durability
The King Size Moonshadow Futon Mattress from Otis Bed is extremely durable as a result of the high-quality materials used in it. It can last for more than 10 or 12 years even if it is used daily. The manufacturer offers a 10-year limited warranty against defects due to materials and workmanship. The warranty is reflective of the trust the manufacturer has in the durability and reliability of this futon mattress.
Pros
- The futon mattress is made out of breathable polyester fabric which repels water.
- The futon mattress is extremely durable and can last for more than 10 or 12 years.
- It is very safe to use as it contains flame-retardant rayon which conforms to Flammability Standard 16 CRF Part 1633.
Cons
- It takes a while for the mattress to take shape after unpackaging.
2. Japanese Futon King Mattress CLASSE with Igusa (Rush Grass)
Tatami has long been used in Japan traditionally as a floor mat. It is made out of straw or sometimes from other materials which act as the base of 
Material
The Japanese Futon King Mattress CLASSE with Igusa (Rush Grass) is made out of 100% Natural Rush (Undyed). It is supported by a non-woven fabric which is attached to its back. The Rush is both grown and made in Japan. The properties of natural Igusa include keeping the air very clean, controlling humidity, absorbing sweat and realizing a deodorizing odor. This tri-fold king size mattress ensures an environment conducive toa very comfortable sleep throughout the night.
Comfort and Support
Japanese Futon King Mattress CLASSE with Igusa (Rush Grass) has got a firm base which gives support to the user. It is made out of straw or some other materials which can adequately support the weight of the user. The top part is very comfortable due to the use of natural rush grass which is soft and light. As a result of the properties of these materials, the user spends an entire night without any discomfort and wakes up in the morning feeling refreshed.
Breathability
The Japanese Futon King Mattress CLASSE with Igusa (Rush Grass) is highly breathable as it is made out of natural materials. It can even absorb Nitrogen dioxide as well as formaldehyde. It also controls the humidity from the room. It tempers t by absorbing moisture when humid and releasing moisture when the room environment is dry. It lets the sweat from the user to be absorbed perfectly ensuring that the user would have a comfortable sleep throughout the night.
Durability
The Japanese Futon King Mattress CLASSE with Igusa (Rush Grass) is very light, but it is also very durable if properly taken care of. It can be folded into three making it suitable for a contemporary lifestyle. It can even be used on uneven surfaces and would still prove to be quite durable. Being lightweight, it is extremely easy to carry around and can be stored in a compact form whenever it is not required. The firm polyester pad in the mattress ensures that it would last for a very long time. Its outer fabric is 100% cotton with a 200 thread count which supports its durability feature.
Pros
- The futon mattress uses materials that have been in use for over a1000 years.
- The futon mattress absorbs sweat, cleans the air, deodorizes it and controls humidity.
- It is very comfortable and durable at the same time.
Cons
- Some users think it’s not thick enough.
3. Au Natural 8” Loft All Cotton Filled Futon Mattress from Epic Furnishings
The Au Natural 8” Loft All Cotton Filled Futon Mattress, King-size from Epic Furnishings is stuffed by hand by expert craftsmen, and it is designed 
Material
The Au Natural 8″ Loft All Cotton Filled Futon Mattress, King-size from Epic Furnishings is made out of very heavy cotton/poly twill outer shell. It also includes 14 inches of the best possible cotton padding which is compressed to attain a height of 6 to 8 inches. It provides the much needed inside-out pressure which allows the user to have very comfortable seating or sleep. All of this hand-stuffed which allows for fine details due to individual attention. It ensures the evenness of every layer, and there are tears or lumps.
Comfort and Support
The Au Natural 8″ Loft All Cotton Filled Futon Mattress, King-size from Epic Furnishings has its edges wrapped by hand to ensure that the edges get the same layers as the middle. This is extremely important for comfort while sitting because the edges become stable and straight. This mattress provides a firm comfort level. It enhances the comfort level by avoiding machine stitched cording which looks unattractive and is rather uncomfortable. Instead, the mattress uses zip closure. There are 23 nylon tufts to ensure layers would not shift. The firm mattress also provides adequate support.
Breathability
The Au Natural 8″ Loft All Cotton Filled Futon Mattress, King-size from Epic Furnishings is breathable as a result of the use of cotton in the futon mattress which is naturally breathable and allows an air flow through it which wicks the sweat and moisture away from the user and keeps him/her dry and cool regardless of whether the mattress is being used for seating or sleeping purposes. The futon mattress is also usable on platform beds.
Durability
The Au Natural 8″ Loft All Cotton Filled Futon Mattress, King-size from Epic Furnishings lasts for a very long time as it is properly constructed with hand-stuffed contents and the craftsmen are careful about every little detail. It em[ploys softly squared edges which create a very smooth finish making the futon mattress look very attractive. It is extremely durable and can last for many years if taken care of properly.
Pros
- The futon mattress is made out of heavy cotton/poly twill outer shell and cotton padding.
- It is comfortable to a firm level for users who like it this way.
- It has a very attractive and smooth look.
Cons
- It might smell a bit in the beginning after unpacking.
4. 4 Inch Folding Sofa from LUCID
The 4 Inch Folding Sofa with Removable Indoor/Outdoor Fabric Cover from LUCID allows the user and the family to sleep, play or lounge on this 
Material
The 4 Inch Folding Sofa with Removable Indoor/Outdoor Fabric Cover from LUCID is made out of high-quality CertiPUR-US certified materials. This certification ensures that no ozone layer depleters were used in the production of the foam used in this mattress. Moreover, the materials in this matter are completely free of any PBDEs (polybrominated diphenyl ethers), fire Retardants such as TDCPP or TCEP are also not used in this mattress as they could lead to cancer, genetic defects, etc.
Comfort and Support
The 4 Inch Folding Sofa with Removable Indoor/Outdoor Fabric Cover from LUCID provides comfort to the user both in the indoors as well as in the outdoors. It can be taken out on camp nights or while camping out at any time. It doubles as a softly styled floor-chair which provides very convenient and comfortable seating. The mattress has a lot of support for the user as well. It is ideal for use while having guests for sleepovers, dormitory rooms, cabins, camping, and even for kids playrooms.
Breathability
The 4 Inch Folding Sofa with Removable Indoor/Outdoor Fabric Cover from LUCID is equipped with gel-infused memory foam which ensures a high level of breathability while SL; eeping or seating. It allows air to circulate through it and wicks away the sweat and moisture from the mattress keeping the user very comfortable, cool and dry. The mattress regulates the tem[perature and ensures that the user is comfortable at all times while the mattress is in use either as a sofa or as a bed.
Durability
The 4 Inch Folding Sofa with Removable Indoor/Outdoor Fabric Cover from LUCIDhas got a very durable cover which is equally good for use both indoors and outdoors. The mattress is extremely convenient to handle and carry as it has got two handles which are double stitched. This allows for easy folding of the mattress when travel is required. It resists dust mites and is quite safe for children. It can last for a very long time.
Pros
- The mattress acts as a sofa styled flor chair and as a bed.
- The mattress has got CertiPUR-US certified materials.
- The mattress has got two handles which make it foldable and easy to carry.
Cons
- It is not ideal for adults when used as a sofa on the floor.
5. Sleeping Tatami Floor mat, Foldable Futon Tatami King Mattress from Lovehouse
The Sleeping Tatami Floor mat, Foldable Futon Tatami King Mattress from Lovehouse is extremely soft, breathable and very comfortable. It is very 
Material
The Sleeping Tatami Floor mat, Foldable Futon Tatami King Mattress from Lovehouse is made out of very high-quality materials. The material is polyester fiber. However, it does not contain any Polyvinyl Chloride, Vinyl, Phthalates, chemicals or flame retardants that could cause harm to the user in any way. In the absence of such harmful materials, the user can rest with complete peace of mind and have a very comfortable night’s rest.
Comfort and Support
The Sleeping Tatami Floor mat, Foldable Futon Tatami King Mattress from Lovehouse is extremely comfortable and also offers adequate support to the user’s neck, spine, and shoulders while sleeping and high level of comfort and support while sitting on it as well. It can take the shape of the user’s body. It is wear-resistant and does not slip causing the mattress to lay firmly on its support structure. It does not lump or develop balls on its surface ensuring that the comfort and support are long-lasting.
Breathability
The Sleeping Tatami Floor mat, Foldable Futon Tatami King Mattress from Lovehouse is highly breathable as a result of the polyester content which allows a perfect level of air circulation throughout the mattress. This airflow wicks away the sweat and moisture from the user and keeps him/her very cool and dry. It is, therefore, able to provide very cool nights to the user, and he/she does not have t toss and turn throughout the night with restlessness.
Durability
The Sleeping Tatami Floor mat, Foldable Futon Tatami King Mattress from Lovehouse is extremely durable as it can last for a very long time of proper care is taken. It is not recommended to wash it or dry clean it. Bleach must not be used on it at all. It should also not be ironed. It can be laid flat to dry. The mattress is ideal for use in places like dormitories, and for lounging in the living room. It also serves very well if used while camping out or during sleepovers.
Pros
- The futon mattress doe not contain any harmful chemicals or fire retardants.
- The mattress is ideal for use both indoors as well as outdoors.
- The mattress is very durable if taken good care of.
Cons
- Some users regard it has very thin.
6. Brown Flannel Tatami Floor Mat Futon King Mattress from MAXYOYO
The Brown Flannel Tatami Floor Mat Futon King Mattress Sleeping Pad from MAXYOYO is extremely convenient to use. It is very easy to roll it and 
Material
The Brown Flannel Tatami Floor Mat Futon King Mattress Sleeping Pad from MAXYOYO is made out of 100% Microfiber Cotton for the cover material, and it is 5 cm thick. The craftsmanship which has produced this delicate hemming is superb, and the line in this cover is extremely smooth. The cotton is properly held in place and does not bunch or make balls. The surface of the mattress cover is extremely soft when touched. It has multiple uses, and it can be used either as a mattress topper or as a Bedroom futon. It can also be used in the living room or the guest room.
Comfort and Support
The Brown Flannel Tatami Floor Mat Futon King Mattress Sleeping Pad from MAXYOYO is extremely comfortable as the 5 mm thickness for the cover brings to the user a very comfortable as well as a healthy experience. The mattress cover or bedroom futon is easy to maintain, and it can be simply cleaned with a damp washcloth. The user can get rid of surface stains this way. Warm water and mild detergent can be used on the damp cloth. These would remove all types of stains on the surface of the mattress. The entire mattress should not be soaked as it could lead to mildew.
Breathability
The Brown Flannel Tatami Floor Mat Futon King Mattress Sleeping Pad from MAXYOYO has got cotton filling which is naturally breathable and ensures that the swat and moisture would be wicked away by the air flow that is enabled through the mattress as a result of the breathability of the cotton. It is also recommended to vacuum clean the mattress regularly so that it remains perfectly breathable and clean.
Durability
The Brown Flannel Tatami Floor Mat Futon King Mattress Sleeping Pad from MAXYOYO carries a 30-day warranty. It is, however, durable of taken good care of. It arrives in plastic packaging and would smell a bit for 2 to 3 days after opening the pack. It would also have some creases due to the folded position in the packing, but these would disappear with time as well. The mattresses need t to be placed in a ventilated place for it to get rid of the initial smell. It can be used in the kid’s room as a mat/floor pillow bed or anywhere for the family to enjoy.
Pros
- The mattress is breathable as it has cotton.
- The mattress is quite comfortable as it is 5 cm thick.
- It can be easily folded away for easy storage.
Cons
- The warranty is too short.
7. Grey Flannel Japanese Floor Futon King Mattress from ColorfulMart
The Grey Flannel Japanese Floor Futon King Mattress from ColorfulMart is designed and constructed as a very comfortable, breathable and soft 
Material
The Grey Flannel Japanese Floor Futon King Mattress from ColorfulMart has a thickness of 2 inches, and it is constructed out of 100% Flannel which is used in the top layer of this mattress. The middle layer is made out of microfiber while the bottom layer has been made out of 100% Polyester Fibre. The various crafts that are used in the construction include reactive printing, flocking and quilting.
Comfort and Support
The Grey Flannel Japanese Floor Futon King Mattress from ColorfulMart is extremely comfortable and soft for its 2 inches thickness. It can be very easily folded up and put away in the closet. When needed, it can simply be brought out and rolled on the floor. It is also very easy to move and can be transported by car everywhere. The futon needs to be flipped regularly in the first 30days after purchase to make the best use of it and keep it comfortable and supportive.
Breathability
The Grey Flannel Japanese Floor Futon King Mattress from ColorfulMart is breathable as it is made out of synthetic materials which allow the sweat and the moisture from the use to be wicked away by circulating air that goes through the mattress. The mattress needs to be vacuum cleaned regularly to ensure that no dust or dust mites accumulate in it. This way, it would remain breathable. In the first 30 days after unpacking. It needs to be placed in a ventilated area without any bedding or cover to allow the smell to go away.
Durability
The Grey Flannel Japanese Floor Futon King Mattress from ColorfulMart is also quite durable as long as it is taken good care of. IT should not be washed or soaked in water; otherwise, mildew could develop. It needs to be cleaned to remove stains with the help of a damp washcloth which is soaked in warm water and mild detergent. No bleach should be used, and it should not be dry cleaned as well. After unpacking, it is recommended to spray it with baking soda and leave for an hour before vacuum cleaning it. Deeper cleaning is possible with a steam cleaner.
Pros
- The futon mattress is comfortable and breathable.
- It is 2 inches thick and is easy to clean.
- The futon mattress is made out of high-quality synthetic materials.
Cons
- Some users think its too thin for comfort.
8. Futon Furniture Traditional Japanese Floor Rolling King Futon Mattress from D&D
The Futon Furniture Traditional Japanese Floor Rolling King Futon Mattress from D&D is designed and constructed as a 3-inch thick futon mattress 
Material
The Futon Furniture Traditional Japanese Floor Rolling King Futon Mattress from D&D is made out of very high-quality materials which include 5% polyester fiber batting, 90% white cotton batting and resilient foam. The cover is 100% polyester. It is not removable. The combination of these materials ensures a perfect mix of comfort, support, and breathability. The mattress can be used at multiple places and for multiple pur[oses. It can be used for exercise, massage, yoga, picnics, taking a rest, etc. And can be used at different places like the dormitories, children play area, mobile homes, studios, patio, living rooms, etc.
Comfort and Support
The Futon Furniture Traditional Japanese Floor Rolling King Futon Mattress from D&D is quite comfortable and supportive as it has a thickness of 3 inches. The mattress has been made in the USA, and it meets the flame retardants related requirements according to the US laws. The mattress is delivered in a corrugated shape as it is compressed for shipping, Its width and length are reduced which are gained back as it is allowed to rest for a few days after being used.
Breathability
The Futon Furniture Traditional Japanese Floor Rolling King Futon Mattress from D&D is made out of breathable materials and as such aids in the enabling of airflow within the mattress which allows the sweat and moisture from the user to be wicked away. This way, it remains cool and dry and lets the user have a very comfortable sleep throughout the night. The mattress needs to be cleaned regularly. It can be spot cleaned and dried in a sunny area.
Durability
The Futon Furniture Traditional Japanese Floor Rolling King Futon Mattress from D&D is durable as it is made out of very durable materials which are tough and last for a very long time. If properly taken care of this mattress would serve the user for several years without losing its shape, comfort, and support. It should not be dry cleaned but spot cleaned and then dried under the sun in an airy area.
Pros
- The futon mattress is made out of durable materials.
- It is breathable and quite comfortable.
- It is 3 inches thick.
Cons
- There is no information on its warranty.
