10 Best King Size Memory Foam Mattress of August 2025

• 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
• 76 inch W x 80 inch L x 12 inch H
• 7 inches of conforming high density base foam provides surrounding support and responsive relief that helps evenly distribute pressure points in any sleeping position
• Luxurious stretch knit quilted fiber cover
• Medium plush feel and adjustable base friendly; Naturally antimicrobial
• High quality memory foam Conforms to your body while the Cool Gel regulates temperature; memory foam is naturally hypoallergenic and resistant to allergens, Mold, bacteria, and dust mites and meets CertiPUR US Program standards for performance, emissions, and durability
• Mattress ships compressed, rolled and shipped in a box conveniently delivered to your door for easy set up; frame/foundation/base not included

Vibe

• 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, 2 inches soft, airflow enhancing comfort foam, and 7 inches durable, high density base support foam; ideal for side sleepers and petite to average weight sleepers
• CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content
• 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 pounds

Zinus

• 76" W x 80" L x 14" H
• 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
• Beautifully tailored and detailed with a stretch knit fabric cover with waterfall edge and matching knit side panels
• 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, mold, bacteria, and is CertiPUR-US program standards for performance, emissions, and durability
• Medium-Plush Feel with Firm Support and Adjustable Base Friendly; 10 Year Warranty
• BONUS 2-Shredded Memory Foam Standard Pillows FREE!

Classic Brands

• 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
• Sleep soundly: Designed with layers of memory foam for firm support and pressure relief. The support foam core reduces motion transfer for peaceful, undisturbed sleep
• 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
• King size: Measures 75" W x 79" D x 12" H and is compatible with most king bed frames
• Ready for instant enjoyment: Arrives in a box. Simply unbox, cut the protective wrap, unroll and watch the mattress expand. 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, humidity, air pressure & ventilation.

Signature Design by Ashley

• Three inches of ultra plush memory foam that conforms to your curves and hugs you to sleep
• Infused with temperature regulating gel beads that capture and dissipate heat to help prevent overheating
• Comfortable memory foam distributes weight evenly to align the spine and alleviate pressure points. Materials - 100% Polyurethane Memory Foam Gel Beads
• Available in plush 2 inch and 3 inch profiles; The 3 inch topper will hug your body more than the 2 inch topper
• A comfortable and affordable way to rejuvenate an old mattress, soften a hard mattress, and prolong mattress life; Backed by a 3 year warranty

Linenspa

• COOL & HIGHLY BREATHABLE- Novilla king size mattress constructed with a 4-layer all-foam system. The foam mattress on top is a gel-infused memory foam that keeps you cool. The egg crate designed foam layer increases airflow through all areas of this king size memory foam mattress. Mattresses’ quality cover with Bamboo fabrics also enhance 30% breath-ability. Ensures you stay asleep longer with this bed mattress.
• RELIEVES PAINS & DAMPENS PARTNER’S MOVEMENTS- Novilla 12'' gel memory foam medium firm king mattress includes 4 different foam layers. Gel memory foam is combined with comfort foam to distribute pressure and mold to your body. And the two layers high density foam that improve durability, which to give your body support for proper spinal alignment. Also to resist sagging and prevent roll-off. Whether you sleep alone or next to a partner, there is no disruption.
• A SAFE & COMFORTABLE SLEEP ENVIRONMENT- Mattress is made of CertiPUR-US Certified foam, without any harmful off-gassing and substances like formaldehyde, mercury, and other heavy metals. Removable bed mattress cover use skin-friendly rayon cotton fabric, heavenly soft to touch. Novilla king size memory foam mattress gives you a healthier and cloud-like experience.
• 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. It is easy to set up and fits all kinds of bed frames, even on the floor. 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. With our professional customer care, we help deal with any dissatisfaction problems. You can enjoy this king memory foam mattress without concerns while you are following your dream.

Novilla

• {MATERIAL & CONSTRUCTION}: 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. It includes a soft hypoallergenic cover layer that is washable for your convenience.
• {HEALTH & HYPOALLERGENIC MATTRESS}: The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals.
• {COMFORTABLE & BREATHABLE}: 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.
• {EASY SHIPPING & SET-UP}: Mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed.
• { WARRANTY}: We are a manufacturer specializing in the production and processing of mattresses, We also have professional production and R&D teams. guarantee the best price mattress you can get. Our bed mattress come with 10 years warranty. If for any reason you are unsatisfied, contact us at any time for support. NOTE: Please allow up to 72 hours for the mattress to fully expand and for any potential odors to dissipate.

Molblly

• {MATERIAL & CONSTRUCTION}: Iyee Nature 8 inch king mattress dimensions: 76"*80"*8".To improve support and heat dissipation, Iyee Nature 8 inch Cooling-Gel Memory Foam Mattress is designed with three layers all-foam system. To improve support and heat dissipation，mattress include 2” memory foam, 1” comfortable layer, and 5” high density base support foam for ultimate comfort. It includes a soft hypoallergenic cover that is washable for your convenience.
• {EASY SHIPPING & SET-UP}:Fast shipping and great customer service.Mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed.
• {WARRANTY}:We are a manufacturer specializing in the production and processing of mattresses, We also have professional production and R&D teams. guarantee the best price mattress you can get. Our bed mattress come with 10 years warranty. If for any reason you are unsatisfied, contact us at any time for support. NOTE: Please allow up to 72 hours for the mattress to fully expand and for any potential odors to dissipate.
• {HEALTH & HYPOALLERGENIC MATTRESS}: The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals.
• {COMFORTABLE & BREATHABLE}:Medium-plush feel; memory foam, transition foam, and bring soft and gentle comfort underpinned by a well-balanced layer of support.Memory foam conducive to continuous airflow & breathable. no-sink support foams adapt and conform to your body for optimal pressure relief.

Iyee Nature

• Perfect top layer support your bodyweight, maintains your body shape to rest in the best condition
• Soft memory foam supports body with soft power
• I gel disperses temperature accumulation to maintain a constant mattress temperature
• HD foam prevents defection of memory foam
• 3 layer construction for support and pressure relief, a perfect solution for sleepless nights

PrimaSleep

• 【HEALTH & HYPOALLERGENIC MATTRESS】: The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals.Don't be alarmed if you experience a “fresh foam” odor.It is harmless and will dissipate in few days.
• 【MATERIL & CONSTRUCTION】: JINGXUN 11 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 inches of comfortable layer, and 5 inches of high density base support foam for ultimate comfort. It includes a soft hypoallergenic cover layer that is washable for your convenience.
• 【COMFORTABLE & BREATHABLE】: 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.
• 【EASY SHIPPING & SET-UP】: Mattress in a box, smartly shipped & easy Set up- our mattress is compressed, rolled & shipped in a box conveniently to your door for easy to install. They fit all Full size frames, such as box Spring, floor, slatted base, flat platform. Recovery of 72 hours is recommended for your new mattress to get to its original, plush shape and dissipate the odor.
• 【NO RISK & CHEAP】: as the brand owner and maker, the best price Mattress you can get. Our bed mattresses Comes with 10 years. If there are any reason you are unsatisfied, contact US at any time for support. Over 98% of our customers keep their King size mattress and refer it to others.

Jingxun