Best Split King Mattress in 2026

Molblly 12 inch Gel Memory Foam Mattress is designed with three layers all-foam system, improving support and heat dissipation, mattress layers include 3 inches memory foam, 3.5 inches of comfortable layer, and 5.5 inches of high density base support foam for ultimate comfort.

The memory foam mattress meets the CertiPUR - US Certified for performance, emissions, and durability, the high quality cover can brings you the luxury you crave.

All-foam bed design combined expertise and the best materials with advanced sleep technology. Memory foam conducive to continuous airflow & breathable; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief; Specialized foams reduce motion transfer of a partner so your sleep is undisturbed.

FIRM FEEL – This Lucid mattress provides a firm feel ideal for stomach and back sleepers and is perfect for teens and growing children; Simply unbox, unroll, and wait 24-48 hours for the mattress to expand.

MEMORY FOAM – A 1.5-inch layer of responsive memory foam provides soft comfort, and the 6.5 inches of bamboo charcoal base foam offers a sturdy support while maintaining freshness and reducing odors

BED IN A BOX – Mattress comes compressed and rolled and the adjustable base comes folded, both shipped for easy delivery and setup

The foldable design can effectively save space and is an ideal choice for small houses and narrow spaces. It provides a good and comfortable experience while you watch videos, play games, and read.

The lightweight and comfortable sponge material is not easy to deform, can provide maximum support and comfort, and give you a good sleeping experience.

The zipper design can easily and quickly remove the cover of the foldable foam mattress, which is conducive to cleaning and convenient for your long-term use.

Uses 100% rush grass. Non slip! Our rush grass mattresses are unique decor for traditional tatami rooms which you often see in traditional Japanese inns and temples. Conventional tatami mattresses are thick and heavy. But our rush grass mattresses are light and thin—only 0.4 inches thick. As such, you can easily carry one with you, and it doesn't take up a lot of storage space. You can even bring it to a picnic or a yoga class.

With our traditional Japanese rush grass mattresses produced by MIINA JAPAN, you can sleep comfortably on the floor.

Tatami mattresses smell good like freshly cut grass, which is actually the smell of cultivated soft rushes. They smell very refreshing and exotic at the same time, taking you back to the good old days. But it can be a bit too much for people with an acute sense of smell. If you want to remove the smell from your mattress, place it in the shade in a well-ventilated area for at least one day.

Perfect Combo- The Milliard Dual Sided Premium Tri Folding Mattress combines two types of comfort in one portable mattress! Whether you are in the mood of a firmer or softer feel now, you can always flip the mattress over if you change your mind later!

Size- Mattress measures 52 inches wide x 75 inches long x 6 inches thick. When in folded position, mattress measures 25 inches x 52 inches x 18 inches. Perfectly sized fitted sheet sold separately.

Convenient-The strong and soft cover is removable and machine washable for easy care. An internal layer of high-tech waterproofing means you can sleep worry free without the sweat and noise that traditional waterproof sheets are known for.

【Motion Isolation for a Peaceful Undisturbed Sleep】The individual innerspring pocket coils in this king mattress work independently, you don't have to worry about waking up your sleeping partner every time you climb into or out of bed or change position. Pocket coils are separated by the isolated fabrics and there is little feel of coils underneath.

【Ergonomic Support and Pressure Relief】 Coolvie’s innovative 5-zone spring support systems are designed to work in perfect harmony with foams to ensure a balanced, refreshed sleep with less tossing and turning and minimal partner disturbance. Independent pocketed Spring design ensures that your body weight is evenly absorbed and distributed comprehensively from head to toe throughout the mattress. Also provides the targeted support to your body, proper back support & alignment.

【Stay Cool with Whole Night】 This 12 inch king size mattress is designed with 3D soft knit fabric on the top cover which is breathable and skin-friendly, absorbing moisture and balancing body temperature. The open cell high density foam under the cover promotes air flow when sleeping on this mattress. You don't need to worry about overheating.

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding

HELP SOLVE YOUR SLEEP PROBLEMS -- Sweet night King mattress is made of 4 layers & zoned Gel Memory Foam. Patented memory foam mattress keeps your body properly aligned, fully supported and relieves pressure at a comfortable, cool Temperature. Helps those with back pain, sweat. Feels rested and recharged from your partner nighttime tossing and turning.

TWO SIDES AVAILABLE TO SLEEP -- The King size mattress is designed to be flippable; allowing you to sleep on either side. The Top side with Gel memory Foam layer, is perfect for those who like sleeping “in” the Sweet night mattress with a soft, cloud-like feel; while the bottom side with high density supportive foam, is great for those who like sleeping “on” a medium King firm mattress. Ideal for all sleeping positions, especially for side sleeper.

This set includes our e3 adjustable bed base and our 12" Copper Infused Medium Firm Memory Foam Mattress.

Health-Designed Sleep – Raise your head and feet to help open airways, alleviate congestion or indigestion, and relieve pressure on the lower back.

Patented Edge Support---- offers you a medium-firm sleeping surface and support while sitting on the edge.

7-INCH INCLINE - Avana Mattress Elevator provides a 7” to 1” incline down the full length of the bed

DRUG-FREE RELIEF - Foam bed riser that provides a safe and drug-free solution that may naturally help with symptoms of Acid Reflux or GERD through elevation. Optional Cotton Covers are also available (sold separately)

EASY INSTALLATION - Install under the mattress and enjoy the full comfort, width, and length of your original mattress. Split design allows for easier placement and removal between mattress and box spring. The full-bed-length provides additional mattress stability and support

✅ COOLING MEMORY FOAM MATTRESS: Dynasty mattresses are constructed with a mix of high-density foam using cool dry gel technology so you can get a luxurious nights sleep. This comfy mattress is comprised of 4 expertly designed layers that provide the comfort you deserve.

✅ MEDIUM SOFT MATTRESS: Our CoolBreeze technology is designed to contour to the edges of the body for better comfort. Unlike most memory foam beds and toppers on the market, This medium soft model is excellent for back sleeping and side sleeping.

✅ MACHINE-WASHABLE COVER: Our luxurious mattress cover is machine washable, allowing for simple and fast care. An easy zipper makes removing the cover a breeze, and you can just toss the cover in with your regular laundry whenever it needs a refresh.

MATTRESS: This mattress consists of 2 inches of bamboo charcoal memory foam, 1.5 inches of aloe vera foam, 2” base foam, and 6.5” of encased pocket coils for a medium-plush feel, fully supporting the body and back in all sleep positions

MATTRESS: Enjoy the soft sink-in feeling of memory foam. Soft responsive memory foam conforms to the curves of your body without leaving indentations. All memory foam is CertiPUR- US certified, free from harmful chemicals.

MATTRESS: Bamboo charcoal infusion helps eliminate odors and pull moisture away from the skin for a naturally hypoallergenic bed. Aloe vera-infused foam creates a calming sleep environment that promotes daily freshness.

Simple, but elegant alternative when full-size sofa beds aren’t an option.

Great for apartment dwellers, college dorms, family dens and when your traveling or anywhere else space is limited.

Great for Video gaming, reading a book or camping and of course sleeping. Includes a removable and machine-washable soft cover!

Set Up: Simply take your mattress out of the box and enjoy watching it decompress. Jumping, walking, and sleeping on your mattress can speed up the process.General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.

PATTERN: Bohemian B |Cover Material: Microfiber| Filling Material: Polyester + high-density base support foam, King Size: 78" wide x 80" long, Weight: 22 lbs

WHAT YOU CAN GET: Buy 1 futon mattress, you can get the 1 same color mattress cover, 1 pair of bandage, 1 canvas storage bag.You will no longer worry about the clean issue of the mattress with the cover. The mattress are equipped with straps and storage bag for better storage and carrying

UPGRADED EXCELLENT WORKMANSHIP: The futon features a great supportive of high-density base support foam and polyester filling that can offer a good supporting while also some sinkage when you sleep, quilted craftsmanship will ensure even weight distribution without lumps and dips

🌙 OPTIMAL COMBINATION —— Molblly 14 inch King Size Cooling-Gel Memory Foam Mattress is designed with FOUR layers all-foam system, including 2.5" gel memory foam, 2.5" of comfortable layer, 2" soft pressure relief foam and 7" high density base support foam for ultimate comfort.

🌙 PRESSURE-RELIEVING FOAMS —— Gel infused memory foam regulates temperature while conforming to the body to ease pressure points, providing orthopedic support and prevent motion disturbance.

🌙 SAFE TO SLEEP ON——We only use CertiPUR US certified memory foam and Oeko-Tex certified top fabric to ensure your uncompromising safety and comfort, which means there is no harmful substances like formaldehyde, mercury, and other heavy metals.

PATTERN: Flower 2| Cover Material: Microfiber| Filling Material: Polyester + High-density base support foam, Twin Size: 39" wide x 80" long, Weight: 10 lbs

BUY 1 Futon Mattress GET 3 Accessories: Buy 1 futon mattress, you can get the 1 same color mattress dustproof cover, 1 pair of bandage, 1 canvas storage bag. With the dustproof cover, you will no longer have to worry about the clean issue of the mattress, which can greatly improve the durability of the mattress. For better storage and carrying, the mattress are equipped with straps and storage bag

UPGRADED EXCELLENT WORKMANSHIP: The top and bottom layer are high quality polyester filling, the middle layer is high-density base support foam. We have upgraded the middler layer so that the futon mattress will not collapse easily, High-density base support foam will offer a good support when you lying on the mattress

Multifunction Tri Folding Mattress - The S SECRETLAND Folding Mattress combines the convenience of a moveable bed with the comfort of a memory foam mattress. Not only can it be freely changed between the sofa and the bed, it also allows you to rest comfortably wherever you go.

Perfect Design - S SECRETLAND 6" Memory Foam Folding Mattress is designed with 2 layers: 1" Gel Memory Foam, which conforms to your body perfectly and absorbs pressure from your body; 5" High Density Support Foam provides perfect support for your body.

Strong Support - S SECRETLAND Tri-Folding Mattresses feature a higher density of support foam than regular folding mattresses, providing greater firmness. The durability of the folding mattress has also been greatly improved, and it can undergo thousands of pressure tests in the laboratory without collapsing.

Premium Folding Mattress - Molblly high-quality memory foam mattresses feature skin-friendly fabrics; high-quality memory foam and strong support cotton, which allow you to enjoy a great sleep wherever you go.

Double layer perfect structure - The Molblly 3" Trifold Mattress is constructed of 1" gel memory foam and 2" high density support foam. The memory foam fits your body perfectly for a softer sleep, and the high-density support foam makes the mattress more supportive.

Strong Support - This new tri-fold mattress uses support foam that is 30% denser than the previous generation. This upgraded support foam will keep the mattress from collapsing, provides perfect support for your body and create medium-firm feel.

CENTRE SUPPORT: For larger mattress sizes, such as King, and Cal. King, Centre Support is mandatory to prevent sagging and ensure proper support for the mattress.

PROVIDES EVEN SUPPORT: A bunkie board provides a flat, firm surface that evenly supports the mattress, preventing it from sagging or developing lumps and bumps over time.

INCREASES MATTRESS LIFESPAN: By providing even support, a bunkie board can help extend the lifespan of your mattress. A sagging or uneven mattress can cause premature wear and tear, which can lead to discomfort and the need for replacement.

Upgraded Structure:Differ from old-version futon mattress which only filled with cotton,Dr.Futon mattress set extra memory foam inside and thicken the cotton layer.Increase of Thickness increase to 4.7inches brings GOLDEN sleeping quality.

Skin-touch Fabric Surface:Selected fabric performs outstandingly in touch,softness and durability under over 100 nights test.Designed lines sewn on it balance upper force to your whole body.

Convenient and Space-Saving:Comes with a woolen storage bag and 2 tie-up bandage makes storage not an annoying stuff anymore.Roll it up and fix it with adjustable bandages,then you got a moveable take-away bed.

Overstuffed -14 inches of HD foam & Polyfiber Compressed into an 8" Case

Comfortable -Elite plush soft comfort with plenty of support, feels like no other!

Durable -Comes with a 10 year warranty, Made to last!

SAVE MORE SPACE: The folding design saves more space in your home. It can be folded into a compact size and put into the included travel bag for space-saving, you will never have to worry about running out of space again! Compare with other bed foldable mattresses that sell travel bags separately, our folding mattress comes with a high quality travel bag!

COMFORT AND SUPPORTIVE FOAM: The fold up bed mattress features a 2-Layer design that includes gel-infused memory foam and high-density support foam. The combination creates a medium-firm that balances the comfort and support and keeps its shape even after long-term use.

UPGRADED BREATHABLE COVER: The memory foam floor mattress is 4''thick, soft, breathable, and quick to fold. We use a double breathable design that combines bamboo fiber fabric and meshes fabric. The non-slip cloth at the bottom of the camping foldable mattress can keep you from moving during use, and the high-quality zipper on the back is smooth and durable.

Cover Material: Microfiber| Filling Material: Polyester + High-density base support foam | King Size: 78" wide x 80" long | Weight: 10 lbs

WAHT INCLUDED IN THE PACKAGE: The whole set include 1 futon mattress, 1 same color mattress cover, 1 pair of bandage, 1 storage bag. With the mattress cover, you will no longer have to worry about the clean issue of the mattress, which can greatly improve the durability of the mattress. For better storage and carrying, the mattress are equipped with straps and storage bag

UPGRADED EXCELLENT WORKMANSHIP: The floor futon mattress features excellent quilted craftsmanship, filling is high-density base support foam and Polyester. High-density base support foam will offer a good support while polyester will give a better comfortable sleeping experience

Update Your Sleep Comfort: This 14” hybrid mattress offers balanced comfort for most sleepers. The 10” wrapped coils provide optimal support, while the 3.9” foam layers conform to your body and slightly hug you to sleep.

Made in USA: BedStory king size mattresses are designed and manufactured right here in the US (Blacksburg, South Carolina). So you can sleep soundly knowing that you're getting premium quality.

Motion Isolation: Thanks to the individually wrapped coils, this king hybrid mattress can reduce motion transfer. If you share your bed with a partner or pet, you won’t be shaken awake when they move around.

11-INCH HYBRID MEMORY FOAM MATTRESS: Our original legendary TEMPUR material now combined with premium spring coils for the ultimate in relaxation.

LAYERS OF FOAM: TEMPUR Support Layer and TEMPUR-ES Comfort Layer offer advanced adaptability for truly personalized comfort and support.

HYBRID TECHNOLOGY: Mattress includes over 1000 premium spring coils designed to work with TEMPUR material and delivers ultimate support.

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding..Set Up: Simply take your mattress out of the box and enjoy watching it decompress. Jumping, walking, and sleeping on your mattress can speed up the process.

365-Night Home Trial - One of the best parts of choosing a DreamCloud Mattress is the incredible year-long trial period that starts the day your mattress is delivered to your door..Premium Memory Foam, Breathable Coils, and a Cashmere Blend Euro Top - The DreamCloud Hybrid Mattress featuring gel memory foam to help you sleep cool, a plush Tight Top for soft support and contour, and an innerspring coil system for a touch of bounce and enhance edge support, DreamCloud uses innovative sleep science to help guide our construction.

Five Layers Of Comfort - Soft & airy top layer mattress cover of quilted cooling tencel. Second layer of gel memory foam to distribute your weight. Then add in an adaptive response transition layer that provides support to avoid the feeling of sinking into quicksand. Backed with innerspring individually wrapped coils to reinforce support. At the bottom is an essential base layer to ensure everything above it performs at it’s best!

Cooling Fabric Combine with Graphene Technology: In short, this Cool-sensation Cover is designed to regulate your body temperature and keep you comfortable during sleep. Without the negative aspects of fiberglass and other fire-retardant chemicals, the inner cover of the mattress provides a safe, effective flame-retardant layer around our mattresses.

Most Advanced Memory Foam by MLILY: The top layer- Cooper gel aerofuion memory foam regulate moisture and odor, reducing your risk of skin disease and ensuring a cleaner sleep environment for a healthier sleep and better you. And MLILY Adaptifoam boosts breathability and airflow with latex-free rebound.And the high density base foam will better support your neck, shoulder and give you a comfort sleep.

CertiPUR-US Certified & Endorsed by ICA: Proudly made in USA, MLILY EGO BLACK mattress is crafted for safety, durability, received the International Chiropractors Association’s endorsement and can help people achieve a healthier sleep life. Made without harmful substances, our memory foam and fabrics comply with all applicable mandatory and voluntary safety standards for mattress products.

This Split King Adjustable Bed Frame Set Includes the adjustable bed bases and our 10" Gel Infused Medium Firm Memory Foam Mattress

Our Multi Layer Construction Offers You A Sleeping Surface That Isn't Too Plush or Too Firm and Offers Pressure Relief Where You Need It.

Sleep in Comfort and Adjust the Way You Sleep. No Tools Required For Assembly, Just Screw On The Legs and Plug It In

Soft but Supportive: Generally, Softness and support, these two attributes are at odds with each other, the soft mattress often lacking support, when you lie down you will sink in and feel the floor, but a firm mattress, it’s support but rock hard, if you sleep for a long time back pain is inevitable. BUT THIS SPECIAL FLOOR MATTRESS THAT COMBINE SUPERIOR BACK SUPPORT WITH A SOFT SURFACE. When you lie down, you will feel loose and limp, so relaxed, so deliciously serene, so wonderfully lazy.

Multiple Materials Filling: The secret of Soft but Supportive was this: Five-layer Construction: surface + microfiber fill + memory foam + microfiber fill + surface. The surface was premium high thread count fabrics; The second layer is softness layer, 550GSM whole piece microfiber fill; The core layer is support layer, 4 inches memory foam. Five-layer Construction make up the special soft and supportive futon mattress.

Easy to Store and Carry: Come with 1 pair of bandage, 1 storage bag, for better storage and carrying, The foldable tatami floor mattress allows you to get a comfortable sleep wherever you go. Perfect for small apartments and tight spaces, effectively save living space and move easily. You can easily fold it and put in the included storage bag when you don't need it. Easy to travel or store keep it in your closet or other storage location.

PLUSH PILLOW TOP—Get even more targeted support for your back and core with this densely-packed system of our most durable coils and extra-supportive gel memory foam, all topped with a relaxing cloud-like pillow top

SEALY POSTUREPEDIC SUPPORT— Developed through a history of working side-by-side with orthopedic specialists, our exclusive gel-infused memory foam technology targets the heaviest part of your body for extra core support and better sleep throughout the night

LAYERS OF COMFORT—Layers of high-quality memory foams and a dense system of individually-wrapped coils relieve pressure and cradles your body in cloud-like comfort