4 Top Rated King Size Futon Mattress

A king size mattress is the ultimate in sleeping experience and luxury. Since futons are hugely popular, a king size futon mattress is a viable option, provided you have the space to accommodate it. A king size futon is ideal for visiting families since it can sleep both kids and adults quite comfortably.

In comparison with the twin futon mattress, your futon king mattress will also provide extra width and length to accommodate larger body types, and it will also prevent persons slipping off during sleep. It’s also great for couples or persons with varying sleep, health, and physical challenges.

Because of the extra dimensions, your king size futon mattress will not go unnoticed in your living quarters. The right purchase will not only add extra sleeping or sitting accommodation but should complement your present décor without overpowering it.

Quick Comparison King Size Futon Mattress - Top 4 Of 2018


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Here Are A Few Considerations Of The Best King Size Futon Mattress:

#1. Au Natural 8” LOFT

King futon

The Au natural Futon is an ideal mattress for platform beds. It can mount onto a flat, box or futon frame. It provides up to 80 inches of sleeping space and weighs less than 100 pounds.

It can serve as extra seating or sleeping accommodation and fits in well in smaller living spaces. The king-size futon is perfect for guest rooms, studio apartments or dormitories.

The bedding is three inches thick, with 14 inches of compressed cotton batting. It’s a thick, sturdy mattress for extra sleeping comfort.

Each layer of 100 percent cotton is evenly distributed to ensure a smooth, firm mattress. The edges are custom sealed for added safety and stability.

The futon ranks in the top 30 best-selling futons and comes in a variety of casing covers. It’s a heavy-duty, firm futon, ideal for everyday sleeping.

It comprises over 20 nylon tufts with a twill weave of soft, microfiber suede. The durable design helps eliminate lumps and tears.


  • Durable and sturdy
  • Comfortable
  • Versatile
  • Quality design
  • Affordable


  • Very heavy mattress
  • Chemical odor

#2. Tatami Mat Japanese

King futon mattress

The mattress comprises a polyester fiber cover with microfiber filling. It comes in grey with a quilted binding.

The Tatami Mat ranks among the top 60 best-selling Living room Futon Mattresses. It weighs about 15 pounds and is 3 inches thick. The futon is space-saving, comfortable, lightweight and attractive.

The futon is tri-fold and very firm; ideal for guests, and children, whether sleeping or playing. The mattress is an excellent gift for either men or women.

It’s available in a variety of vibrant, trendy colors to match any décor style. Use it for small apartments, dormitories or camping trips.

It also fits on top of your existing bed for extra comfort and support. The Tatami futon is of high-quality design, and the fabric helps absorb moisture.

It’s easy to clean and maintain and washes well in large washers and dryers. You can let the mattress air dry periodically for air to circulate. Also, turn the mattress over at intervals to help retain the shape and longevity.

For extra care, you can help reduce odors, dust mite, and mold by occasional vacuuming or spray fabric freshener.


  • Great investment
  • Attractive design
  • Comfortable
  • Easy to clean, store and transport


  • Futon is too thin

#3. Flannel Japanese Floor

king size futon

The product is a foldable, roll-up futon mattress, suitable for indoor or outdoor sleeping needs.

It ranks among the top 5 best-selling futons in its class. It weighs about 5 pounds; is 2 inches thick and measures 71 x 79 inches in length.

There are three layers of flannel, microfiber, and polyester, in quilting, flocking finish. The filling and memory foam design make it soft, breathable and comfortable.

The futon can roll up for easy storage, and you can roll it out almost anywhere for sleeping. It saves space, and you can pick it up and go at will.

The Flannel Japanese Floor Futon is very versatile. You can use it for extra sleeping for family or guests. It’s also ideal for use as a massage or yoga mat, or for kids play time. It’s suitable for picnics or camping trips, and it fits well in a mobile home, student dormitory or guest room.

It’s easy to clean and maintain. Flip it from time to time to help keep its shape. Wipe clean with warm water and mild soap.


  • Very soft and comfy
  • Affordable
  • Excellent quality
  • Attractive design


  • Mattress is thin
  • Extra long shipping time

#4. All Cotton King Size Futon

King futon

The All Cotton king Size futon is made of all natural cotton with a reinforced, tufted structure for extra sturdiness. It is ideal for kids andguests and is suitable for both sleeping and sitting. If you need a larger one, consider other kinds of queen size futon mattress

The mattress is compatible with most king size futon frames. It is 5 inches high and 5 inches deep but gets increasingly firmer over time with use.

The organic cotton is a long-lasting, eco-friendly, bug-resistant, non-toxic fabric, that stands up well to long-term wearand tear. The cotton is also breathable for added sleeping comfort.

It is durable, lightweight, and well-constructed and designed.However, you may need to flip it over from time to time to maintain the shape. The price is mid-range but competitive.


  • The futon is very comfortable
  • It is hypoallergenic and safe for allergy sufferers
  • The non-toxic fabric is also inflammable


  • The cotton stuffing can be a bit loose with general use
  • The actual product is slightly different from the advertisement

Tips on How to Purchase the Best King Size Futon Mattress:

First, consider your overall needs when purchasing your king size futon mattress.Always bear in mind; you are getting two functional pieces of furniture for the price of one!

1.Will your king size futon be your primary sleeper?

If so, you will need to buy a quality product that will stand up over time.

2.How often do you plan to use the futon?

Will it be an occasional sleeper for guests or function more often as a couch?If so, a cheaper, yet good quality brand will suffice. So for your mental satisfaction buy the best futon for your family

3.Do you have enough space?

A king size futon is slightly longer and wider than a queen size model. Make sure you have enough space to spread it out without swamping surrounding living areas comfortably.

4.How much are you prepared to spend?

If you need an everyday sleeper/sofa combo, then a high quality, sturdy brand is required.

With these factors in mind, let’s look at the other critical areas in choosing a king size futon:


While aesthetics may be important, comfort is priority. In choosing a futon, you should be able to sit and sleep in relative comfort, since the futon is designed for both purposes.

The types of fabric and other design elements will ultimately determine the overall comfort.

Various types of fabric will respond differently to your body frame. Some fabrics will be either lighter or heavier and will determine how well the futon will convert from sleeping to sitting when required.

Memory foam mattresses help keep the shape for longer periods and more suitable for using your futon as couch. Coil mattresses are a bit comfy but can get out of shape with wear and tear.

If you need extra sleeping space because of advancing age or other physical challenges, this mattress may be a good option.


The type of design will determine how your futon will function to meet your needs best. There are some fabrics that work well for overall aesthetics, but also promote comfort and durability.

Organic cotton, wool, latex and other blended fibers, help support longevity, physical support, and more restful sleep. Some fibers help regulate the body temperature during the hot summer or colder winter months.

Pure cotton is breathable, durable and bug resistant and ideal for allergy sufferers. Latex is dense,firm, sustainable and toxic free, yet very luxurious. Wool is soft and pliable, but well insulated and great for balancing body temperatures while you sleep.

Make sure your futon mattress fits well onto your existing frame for added comfort, support, and safety.


Thickness in a king size futon mattress may be a bit tricky, but it all boils down to your individual needs or personal preferences.

Thinner futons are more suited to metal frames, while the thicker mattresses are best held together on wooden frames. You ideal frame should match the type of mattress you select.

It is foolhardy to purchase a high-quality mattress and mount it on a low-rate frame or vice versa.


Since the king size range in shelf-life between 10 to fifteen years, it’s worth ensuring you get value for money. Durability and sturdiness will vary depending on design and technology used in manufacturing.

Choose a futon with materials and design that will stand up under normal wear and tear and that will adequately support the number of persons who will more likely use it over time.

The fabric should be easy to clean and maintain, and not likelyto tearor fade over the long-term. There are some fabrics that cannot be removed, so care and cleaning instructions need to be carefully considered when purchasing.

Make sure you consider the body weight and height of the persons who are likely to use the futon the most. Heavier individuals will need extra sturdiness and overall mattress support.


The product warranty provisions are critical to help militate against any product defects or issues within a specified period. Most king size futon are more expensive than the other sizes, so you need to ensure your initial investment is worthwhile.

Benefits of the King Size Futon Mattress:

Although some king size bedding can be expensive, the average king size is reasonably priced.

· Overall customer reviews tend to be very positive.

· They provide much-needed extra seating and sleeping space, especiallyfor larger body frames.

· Most futons are made from good quality, organic fabrics for added comfort and style.


Any king size futon is considered the ultimate in sleep luxury. The extra mattress space in width and length is deal for persons with larger body frames and weight. According to many best futon mattress reviews, it is also ideal for a small family and can seat or sleep a number of persons, including kids and adults quite adequately.

The king size mattress allows one to stretch out for added comfort and can help relieve aches and pains along the body’s pressure points. It is a good choice for persons with physical challenges such as arthritis, restless leg syndrome or back, and spinal issues.

Vicky Berman

I love to sleep (and I'm proud of it)! I'm on the hunt for the best, most comfy mattresses and futons on which to sleep. I founded Futon Advisors to share my research and love of sleeping with the rest of the world.

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