Top 10 Foam Mattress King Size – Mattresses

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1. Zinus

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Zinus 12 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, King

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Zinus #ad - Certipur us certified - highest quality foam is CertiPUR US Certified for durability, performance, and content. The right combination - our special recipe for rejuvenating rest? Refreshing green tea and moisture-absorbing Activ charcoal infused into pressure-relieving memory foam that cradles your shape so you awake free of aches and pains and fresh as a daisy.

Pressure-relieving foams - 3 inches conforming memory foam, airflow enhancing comfort foam, and 7 inches durable, 2 inches soft, high density base support foam; ideal for side sleepers and petite to average weight sleepers. Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 pounds.

Expertly packaged - our technology allows this mattress to be efficiently compressed into one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours.
BrandZinus #ad
ManufacturerZinus #ad
Height12 Inches
Length80 Inches
Weight80.6 Pounds
Width76 Inches
Part NumberAZ-BTCM-12K
ModelAZ-BTCM-12K

2. Signature Design by Ashley

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Signature Design by Ashley M72741 Mattress, King, White

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Signature Design by Ashley #ad - King size bed in a box: for deep sleep you've always dreamed of, this body contouring memory foam mattress delivers; 12 inch mattress comes compressed and rolled in a box for your convenience. Ready for instant enjoyment: arrives in a box.

Maintenance free: made of hypoallergenic material to keep out dust mites, pollen, mold and pet dander—perfect for kids or adults who suffer from allergies. The support foam core reduces motion transfer for peaceful, undisturbed sleep. King size: measures 75" w x 79" d x 12" H and is compatible with most king bed frames. Mattress is safe to sleep on immediately but can take 72+ hours for any risidual odors from packaging to dissipate and for mattress to completely expand based on ambient room temperature, cut the protective wrap, air pressure & ventilation.

Simply unbox, humidity, unroll and watch the mattress expand. Sleep soundly: designed with layers of memory foam for firm support and pressure relief.
BrandSignature Design by Ashley #ad
ManufacturerAshley Furniture #ad
Height12 Inches
Length74 Inches
Weight87 Pounds
Width75 Inches
Part NumberM72741
ModelM72741

3. Zinus

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Zinus 12 Inch Gel-Infused Green Tea Memory Foam Mattress / Cooling Gel Foam / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, King

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Zinus #ad - As cool as it gets - settle in to a bed made with our most cooling formula yet, promising perfectly temperature-regulated sleep and a clean feeling night after night, all thanks to our enveloping memory foam packed with cooling gel and green tea.

Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs. Pressure-relieving foams - 2 inch ultra-cooling gel and green tea infused memory foam, 3 inches soft comfort foam, and 7 total inches durable high density base support foam; ideal for side sleepers and average-weight sleepers.

Expertly packaged - our technology allows this mattress to be efficiently compressed into one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours. Certipur us certified - highest quality foam is CertiPUR US Certified for durability, performance, and content.
BrandZinus #ad
ManufacturerZinus #ad
Height12 Inches
Length80 Inches
Weight75.07 Pounds
Width76 Inches
Part NumberOLB-FGM-1200K
ModelOLB-FGM-1200K

4. Vibe

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King, Vibe 12-Inch Gel Memory Foam Mattress | Bed in a Box, Mattress Only

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Vibe #ad - Mattress ships compressed, rolled and shipped in a box conveniently delivered to your door for easy set up; frame/foundation/base not included. High quality memory foam conforms to your body while the Cool Gel regulates temperature; memory foam is naturally hypoallergenic and resistant to allergens, Mold, and dust mites and meets CertiPUR US Program standards for performance, emissions, bacteria, and durability.

Luxurious stretch knit quilted fiber cover. 76 inch w x 80 inch L x 12 inch H. 2 inches of gel infused memory foam combined 3 inches of gel infused foam draws heat away from your body for a more comfortable Night's sleep. Medium plush feel and adjustable base friendly; Naturally antimicrobial. 7 inches of conforming high density base foam provides surrounding support and responsive relief that helps evenly distribute pressure points in any sleeping position.
BrandVibe #ad
ManufacturerClassic Brands #ad
Height15 Inches
Length78 Inches
Width15 Inches
Part Number410263-1160
Model410263-1160
Warranty10 year warranty.

5. Best Choice Products

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Best Choice Products 12in King Size 2-Layer Medium-Firm Bamboo Charcoal Gel & Green Tea Infused Memory Foam Mattress

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Best Choice Products #ad - Moisture-wicking charcoal gel: Bamboo charcoal and gel-infused memory foam helps eliminate odors, regulate temperature, and absorb moisture to inhibit dust mite growth. Non-slip mattress cover: removable cover provides a soft and comfortable sleep surface.

Ready and safe to use: this mattress arrives rolled and compressed for easy setup and a comfortable rest right out of the box. Foam meets certipur-us standards for content, and are analyzed by independent, emissions, and durability, accredited testing laboratories. Full size: 75"l x 54"w x 12"thick queen size: 80"l x 60"w x 12"thick King Size: 80"L x 76"W x 12"Thick.

Anti odor green tea layer: All natural green tea infused memory foam deodorizes and promotes freshness without any harmful chemicals. Medium-firm comfort: the perfect balance of firm and soft to promote improved circulation and relieve pressure from your muscles. Cotton and polyester fibers add extra support to your mattress while preserving its shape and freshness.
BrandBest Choice Products #ad
ManufacturerBest Choice Products #ad
Height12 Inches
Length80 Inches
Width76 Inches
Part NumberSKY5576

6. Novilla

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Novilla King Size Mattress, 12 inch Gel Memory Foam King Mattress for a Cool Sleep & Pressure Relief, Medium Firm Feel with Motion Isolating

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Novilla #ad - With our professional customer care, we help deal with any dissatisfaction problems. Removable bed mattress cover use skin-friendly rayon cotton fabric, without any harmful off-gassing and substances like formaldehyde, heavenly soft to touch. Mattress is recommended 72 hours for air out and reshape.

Hassle free for return & refund- mattresses are covered by a 10-year limit and 30-days money-back return policy. The egg crate designed foam layer increases airflow through all areas of this king size memory foam mattress. Ensures you stay asleep longer with this bed mattress. It is easy to set up and fits all kinds of bed frames, even on the floor. You can enjoy this king memory foam mattress without concerns while you are following your dream. Also to resist sagging and prevent roll-off.

And the two layers high density foam that improve durability, which to give your body support for proper spinal alignment. Whether you sleep alone or next to a partner, there is no disruption. Cool & highly breathable- novilla king size mattress constructed with a 4-layer all-foam system. King mattress in a box & fits all bed frames- such fun to receive a mattress that’s rolled and compressed in a box. Follow the instructions and see how the magic happens.
BrandNovilla #ad
ManufacturerNovilla #ad
Height12 Inches
Length76 Inches
Weight84.57 Pounds
Width80 Inches
Part NumberNV0M801-12-K
ModelNV0M801-12-K

7. PrimaSleep

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Blue, 10'' H, King, PrimaSleep Wave Gel Infused Memory Foam Mattress

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PrimaSleep #ad - Soft memory foam supports body with soft power. Perfect top layer support your bodyweight, maintains your body shape to rest in the best condition. I gel disperses temperature accumulation to maintain a constant mattress temperature. 3 layer construction for support and pressure relief, a perfect solution for sleepless nights. Hd foam prevents defection of memory foam.
BrandPrimaSleep #ad
ManufacturerGrantec Co., Ltd #ad
Height10 Inches
Length76 Inches
Weight66.36 Pounds
Width80 Inches
Part NumberPR10FM01K
ModelPR10FM01K

8. LUCID

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CertiPUR-US Certified, Medium Plush Feel, LUCID 10 Inch 2020 Gel Memory Foam Mattress, Hypoallergenic Bamboo Charcoal King

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LUCID #ad - We only use certipur uS certified memory foam to ensure your uncompromising safety and comfort. Gel infused memory foam regulates temperature while conforming to the body to ease pressure points.

Compressed, rolled, and shipped in a box for simple setup; easily fits through narrow hallways and staircases. The 2. 5-inch ventilated gel memory foam top layer creates a cooler sleep experience than traditional memory foam by helping to regulate body temperature and increase circulation. 1. 5 inches of transition foam and 5. 5 inches of dense bamboo charcoal infused support foam provide stability and full body support. This mattress features a 10-inch meDIUM-PLUSH feel profile for universal comfort for side, back, and stomach sleepers. Dimensions: 76" x 80" x 10".
BrandLUCID #ad
ManufacturerLUCID #ad
Height10 Inches
Length80 Inches
Weight58.8 Pounds
Width76 Inches
Part NumberLU10KKMD30GF
ModelLU10KKMD30GF

9. Classic Brands

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White, King, Classic Brands Cool Gel 1.0 Ultimate Gel Memory Foam 14-Inch Mattress with BONUS 2 Pillows

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Classic Brands #ad - Medium-plush feel with firm Support and Adjustable Base Friendly; 10 Year Warranty. Bonus 2-shredded memory Foam Standard Pillows FREE! Gel infused ventilated memory foam creates a plush and comfortable sleeping surface for a more restful night's sleep; high-density base foam relieves pressure points and conforms to your body, and provides unparalleled support during the night.

High-quality memory foam conforms to your body while the cool gel regulates temperature; memory foam is naturally hypoallergenic and resistant to allergens, bacteria, mold, emissions, and is CertiPUR-US program standards for performance, and durability.77

76" w x 80" l x 14" H. Beautifully tailored and detailed with a stretch knit fabric cover with waterfall edge and matching knit side panels. Premium pressure-relieving memory foam and high-density aerated cool gel memory foam are combined together to provide the essential support and comfort for a deeper night's sleep.
BrandClassic Brands #ad
ManufacturerClassic Brands #ad
Height14 Inches
Length80 Inches
Weight94 Pounds
Width76 Inches
Part Number410167-1160
Model410167-1160
Warranty10 year warranty.

10. Zinus

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King, Zinus 12 Inch Cloud Memory Foam Mattress / Pressure Relieving / Plush Feel / Bed-in-a-Box / OEKO-TEX and CertiPUR-US Certified

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Zinus #ad - Certipur us & oeko tex certified - highest quality foam is certiPUR US Certified for durability, performance, and content; cover meets OEKO-TEX Standard 100 certification standards and has been manufactured under environmentally friendly conditions.

Cloudlike luxury - we’re not kidding - the feel of our cloud mattress is just how we imagine it would feel to sleep on one; with cradling memory foam and plush microfiber, we’ve created a cloudlike, luxurious feel that hugs your curves like no other. Expertly packaged - our technology allows this mattress to be efficiently compressed into one box that’s easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours.

Worry-free 10 year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs. Supportive foams - 2 total inches plush microfiber and foam quilted top, 3 inches soft comfort foam, 2 inches conforming memory foam, and 5 inches durable, high density base support foam; ideal for side sleepers and petite to average-weight sleepers.
BrandZinus #ad
ManufacturerZinus #ad
Height12 Inches
Length80 Inches
Width76 Inches
Part NumberAZ-CMM-1200W
ModelAZ-CMM-1200W