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11" Matrix Hybrid Mattress, Copper Infused Memory Foam Mattress, Firm Feel, California King

The Matrix Hybrid 11" Firm Mattress in California King size offers a glimpse into the future of sleep technology. more

California King Firm 12" Memory Foam Mattress - Signature Design by Ashley Chime | 79 H x 12 D in Wayfair M72751

When it comes to your comfort, chime in for this Signature Design by Ashley Chime Firm Memory Foam Mattress. Its foam contours to your body delivering amazing support, pressure relief, and comfort. The thick memory foam layer is supported by a super... more

12 Inch Featuring Graphene Memory Foam Mattress Cooling Fibers Fabric Mattress CertiPUR-US Firm Feel California King,White

Elevate your sleep experience with the comfortable Memory Foam Mattress. Its contemporary styling, featuring a stylish gray raised textured side border and a black welt detail, complements any bedroom decor. more

10" Gel Memory Foam Mattress, Firm, Cal King Mattress by Engia in Grey (Size CALKNG)

High density orthopedic foam layers with gel memory foam on top wrapped in a moisture wicking fabric cover.FirmGel Memory FoamBed in BoxHand-crafted in USA | 10" Gel Memory Foam Mattress, Firm, Cal King Mattress by Engia in Grey (Size CALKNG) more

11" Copper Memory Foam Hybrid, Firm, Cal King Mattress by Engia in Dark Grey (Size CALKNG)

Stylish and comfortable, this mattress includes premium cooling copper memory foam so you can sleep comfortable all night. Hybrid construction with dynamic edge coils and CertiPUR-US certified foam.FirmCooling Copper Memory FoamBed in BoxHand-crafted... more

11" Copper Memory Foam Hybrid, Firm, Cal King Mattress by Engia in Dark Grey (Size CALKNG)

Stylish and comfortable, this mattress includes premium cooling copper memory foam so you can sleep comfortable all night. Hybrid construction with dynamic edge coils and CertiPUR-US certified foam.FirmCooling Copper Memory FoamBed in BoxHand-crafted... more

10" Gel Memory Foam Mattress, Firm, Cal King Mattress by Engia in Grey (Size CALKNG)

High density orthopedic foam layers with gel memory foam on top wrapped in a moisture wicking fabric cover.FirmGel Memory FoamBed in BoxHand-crafted in USA | 10" Gel Memory Foam Mattress, Firm, Cal King Mattress by Engia in Grey (Size CALKNG) more

Signature Design by Ashley Limited Edition Firm Black/White 2-Piece California King Mattress Package

Luxury comfort leads to luxury rest. This firm California king mattress soothes your body with cottony softness on the mattress cover. Packed inside are layers of support foam and gel memory foam to relieve your pressure points. more

California King Firm 13" Memory Foam Mattress - Tempur-Pedic TEMPUR LuxeAdapt | 84 H x 72 W 13 D in Wayfair 10740180

The Tempur-Pedic LuxeAdapt® mattress provides the ultimate experience for total relaxation. With maximum pressure-relieving power, superior motion cancellation, and one-of-a-kind cooling technology it helps you fall asleep faster and stay asleep... more

California King Firm 12" Memory Foam Mattress - Tempur-Pedic TEMPUR-ProAdapt | 84 H x 72 W 12 D in Wayfair 10736180

Continuous innovation for continuous comfort. The TEMPUR-ProAdapt® Firm mattress is expertly engineered with the most pressure-relieving material we've ever created and one-of-a-kind cooling technology. It adapts and conforms to your body’s unique... more

California King Firm 10" Gel/Foam Mattress - Gel Memory Foam ComforPedic Loft from Beautyrest | 84 H x 72 W 10 D in Wayfair 35602-04023-WF

Elevate your sleep experience with the Comfor Pedic Loft from Beauty Rest gel memory foam mattress. This upscale gel memory foam mattress provides three layers of support for a luxuriously comfortable sleeping experience. The gel memory foam mattress... more

California King Firm 10" Memory Foam Mattress - Serta Perfect Sleeper Nestled Night Medium | 83.5 H x 72 W 10 D in Wayfair 500086178-1070

Comfort doesn’t get more convenient than this. The Serta Perfect Sleeper 10" Medium Firm Gel Memory Foam Mattress-In-A-Box delivers relaxing, pressure-relieving comfort and cradling support to your front door. With HexCloud Gel Memory foam, you'll... more

California King Firm 8" Gel/Foam Mattress - Sleep Innovations Marley Medium Gel Memory Foam | 84 H x 72 W 8 D in Wayfair 3073827

Improve your sleep with the essential comfort of our 8 inch, two layer gel memory foam Marley Mattress. The soft knit hypoallergenic cover immediately relaxes you with lasting freshness, while soothing gel memory foam actively reduces excess body heat... more

California King Firm 14" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 14 D in Wayfair 35602-03506-WF

This 14” memory foam mattress brings style and support to your bedroom or guest room. This mattress features a moisture-wicking finish and a tight top with cooling gel memory foam, offering refreshing support wherever you need it. It provides a firm... more

California King Firm 14" Gel/Foam Mattress - ComforPedic Loft from the Beautyrest Gel Memory Foam | 84 H x 72 W 14 D in Wayfair 35602-04795-WF

Elevate your sleep experience with the ComforPedic Loft from the Beautyrest gel memory foam mattress. This upscale gel memory foam mattress provides three layers of support for a luxuriously comfortable sleeping experience. The gel memory foam mattress... more

King Firm 11" Gel/Foam Mattress - Spinal Solution 11-Inch Ananda Pearl & Gel Reactive Latex Memory Foam w/ Zipper, Medium Firm, Breathable | 80 H x 76 W 11 D in Wayfair

The 11" Ananda mattress combines comfort and support with our pearl and gel-infused reactive memory foam. Our reactive foam provides a natural bounce to the foam, providing you with additional push-back support as it conforms to your sleeping position.... more

California King Firm 14" Gel/Foam Mattress - RELYMATRE Medium-Firm Gel Memory Foam | 84 H x 72 W 14 D in Wayfair RE-MSCK0114

The 14-inch Memory Foam Hybrid Mattress is the perfect combination of soft and firm. It ensures that your body weight is evenly distributed and your spine is naturally aligned. Enjoy a restful night's sleep whether you're lying on your back, side or... more

California King Firm 8" Memory Foam Mattress - Signature Design by Ashley Serena | 8 H x 72 W D in Wayfair M59151

When it comes to your comfort, discover the Gruve 8-inch mattress. Its thick layer of memory foam conforms to your body, delivering amazing support, pressure relief, and comfort. The memory foam layer is paired with a super-thick layer of firm support... more

California King Medium 8" Memory Foam Mattress - Alwyn Home Morris No Infusions | 84 H x 72 W 8 D in Wayfair 1ACC705F81774726995C63B5F99525C3

Add a sense of comfort to your night with this 8-inch memory foam mattress. With a medium firmness, the layered foam produces an optimal level of pressure point relief and support that cannot be achieved by any traditional memory foam mattress. Infused... more

California King Firm 10" Memory Foam Mattress - Ergo-Pedic Zencloud Original Infused Medium-Firm in Brown | 84 H x 72 W 10 D Wayfair F10CBDPK84

REDEFINING THE SCIENCE OF SLEEP. Upgrade your current beds with the world’s first high-performance mattresses designed to promote health benefits beyond the mechanics of simple physical comfort. At Ergo-Pedic Sleep, we’ve developed our mattresses to be... more

California King Firm 10" Memory Foam Mattress - Ergo-Pedic Coppercloud Infused Medium-Firm in Brown | 84 H x 72 W 10 D Wayfair F10CPRK84

Transform your sleep with the CopperCloud Original Mattress. Infused with copper, this mattress actively pulls excess heat away from your body, resulting in a cooler and more comfortable sleep. Copper is a natural anti-inflammatory that helps reduce... more

California King Firm 13.5" Foam Mattress - Ernest Hemingway Skylark Tight Top | 84 H x 72 W 13.5 D in Wayfair 627M-6C

Enjoy endless possibilities for restful sleep on this Ultra Luxury firm mattress. You get the best of both worlds with this hybrid innerspring mattress: the pressure relief of cooling gel-infused memory foam, coupled with body contouring pocketed coils... more

California King Firm 13.5" Gel/Foam Mattress - Signature Design by Ashley Gel Memory Foam & Adjustable Base | 83 H x 71 W 13.5 D in Wayfair

Get back to restful nights and refreshed mornings with this king firm mattress and adjustable base set. It's ideal for back and stomach sleepers who prefer a mattress that doesn't “give” too much, yet still pampers with cradling comfort. Five different... more

California King Firm 12" Gel/Foam Mattress - Signature Design by Ashley Gel Memory Foam & Adjustable Base | 83 H x 71 W 12 D in Wayfair PKG009987

With the Hybrid 1200 California mattress and adjustable base set, you have endless possibilities for restful sleep. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High-density foam provides the... more

California King Firm 12" Gel/Foam Mattress - Signature Design by Ashley Gel Memory Foam & Adjustable Base | 83 H x 71 W 12 D in Wayfair PKG009986

With the Hybrid 1200 mattress and adjustable base set, you have endless possibilities for restful sleep. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High-density foam provides the firmness... more

California King Firm 13.5" Gel/Foam Mattress - Signature Design by Ashley Gel Memory Foam & Adjustable Base | 83 H x 71 W 13.5 D in Wayfair

Get back to restful nights and refreshed mornings with this king firm mattress and adjustable base set. It's ideal for back and stomach sleepers who prefer a mattress that doesn't “give” too much, yet still pampers with cradling comfort. Five different... more

California King Firm 14" Gel/Foam Mattress - Slumber Solutions Renew Gel Memory Foam | 84 H x 72 W 14 D in Wayfair 35602-04423-WF

Surround yourself with luxury with this premium gel memory foam mattress. Our mattresses are specifically made with quality and comfort in mind. Using high-grade gel memory foam and covers, this mattress will keep you comfortable for years to come.... more

California King Firm 12" Gel/Foam Mattress - Sleep Innovations Marley Medium Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 3073843

The triple-layer design of the Marley mattress keeps you cool and supported all night long. The gel memory foam top layer and supportive middle layer with airflow channels provide a cooling effect, helping to maintain a comfortable climate while you... more

California King Firm 12" Gel/Foam Mattress - Crafted Sleep Two-Sided Gel Memory Foam | 84 H x 72 W 12 D in Wayfair XBXCFT12FCHCK

The 12" 2-sided all-foam model ensures the best motion reduction and can also be flipped to either a medium or a firm side or you can choose medium on both sides. This all-foam mattress packs in gel-infused cooling foams with an ultra-supportive... more

California King Firm 12" Gel/Foam Mattress - Signature Design by Ashley Gel Memory Foam & Adjustable Base | Wayfair PKG009961

Luxury comfort leads to luxury rest. This firm king mattress soothes your body with cottony softness on the mattress cover. Packed inside are layers of support foam and gel memory foam to relieve your pressure points. Rows of power packed wrapped coils... more

California King Firm 12" Gel/Foam Mattress - Gel Memory Foam ComforPedic Loft from Beautyrest | 84 H x 72 W 12 D in Wayfair 35602-04777-WF

Elevate your sleep experience with this Comforpedic Loft from the Beautyrest gel memory foam mattress. This upscale gel memory foam mattress provides three layers of support for a luxuriously comfortable sleeping experience. The gel memory foam... more

California King Firm 10" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 10 D in Wayfair 35602-03476-WF

Perfectly personalizing your sleep experience, the manufacturer provides unbeatable comfort with this product. Infusing gel particles with visco-elastic memory foam helps to create an optimal temperature for an ideal sleep environment. With an... more

California King Firm 11" Gel/Foam Mattress - Neven Essence Gel Memory Foam | 84 H x 72 W 11 D in Wayfair 10044-NS-11E-CK-WF

Enjoy our collection. The total comfort and cooling design of our Neutrasleep collection is exceptional. The sensory foam gel, ultraflex foam springs, and airflow channels provide a unique combination of heat dissipation, pressure point relief, and... more

California King Firm 13" Gel/Foam Mattress - MOLECULE CopperWELL Hybrid Cooling Gel Memory Foam & Encased Coil Medium | 84 H x 72 W 13 D Wayfair

Achieve your best night’s sleep with the CopperWELL Hybrid Mattress. Featuring MoleculeEdge foam encased coils for advanced edge support, reducing or eliminating that roll-off feeling. It absorbs partner movement and prevents sleepers from rolling... more

California King Firm Gel/Foam Mattress - Blissful Nights Two-Sided 12" Medium & Gel Memory Foam | Split Wayfair SB-MT-ISWITCH-6/0split

This 2-in-1 mattress allows you to switch the comfort and feel by simply flipping it. Each sleep surface of the mattress was thoughtfully designed with gel memory foam to dissipate heat and allow air to travel throughout for a comfortable night’s... more

California King Firm 14" Gel/Foam Mattress - Beautyrest Gel Memory Foam | 84 H x 76 W 14 D in Wayfair 700753695-1070

The foam mattress offers enhanced conforming support, and cooling properties, and provides the great comfort you’d expect from Beautyrest. Compressed and packaged in a box for quick, convenient delivery to your home. Open up a whole new world of better... more

California King Firm 12" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 35602-03491-WF

This firm mattress features a tight top and low-motion transfer, so it's designed to keep you asleep even if your partner tosses and turns. It has a breathable structure with a base layer, a comfort foam layer, and a gel memory foam layer. This 12"... more

California King Firm 13.5" Gel/Foam Mattress - Signature Design by Ashley Gel Memory Foam & Adjustable Base | 83 H x 71 W 13.5 D in Wayfair

Get back to restful nights and refreshed mornings with this firm mattress and adjustable base set. It's ideal for back and stomach sleepers who prefer a mattress that doesn't “give” too much, yet still pampers with cradling comfort. Five different... more