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California King Medium 12" Gel/Foam Mattress - Alwyn Home Lowesville Cooling Gel Memory Foam | 84 H x 72 W 12 D in Wayfair

Experience supreme comfort and a cool, refreshing sleep with the mattress. The mattress is uniquely designed with gel-infused memory foam to regulate your body temperature, providing a cooler sleep environment throughout the night. Say goodbye to... more

California King Medium 12" Memory Foam Mattress - BOMO Two-Sided | 84 H x 72 W 12 D in Wayfair JJ-MX-24031529

A comfortable mattress can give you a quality sleep environment, so that you can sleep comfortably all night. This product uses high quality filler, strong support, can well support your body, will not appear back pain situation. The overall simple... more

California King Medium 12" Memory Foam Mattress - Alwyn Home Kupang | 84 H x 72 W 12 D in Wayfair E9E871B8B72A4BC1815F2166F1BA1246

A comfortable mattress can give you a quality sleep environment, so that you can sleep comfortably all night. This product uses high quality filler, strong support, can well support your body, will not appear back pain situation. The overall simple... more

California King 12" Foam Mattress - Alwyn Home Brantwood Pillow Top Pocket Coil | 12 H x 71 W 84 D in Wayfair AF91334D870D4D0591ECB32A9ED3C7E7

The key to a productive day includes sleep at the top of the list. The recipe for a good night's sleep comes with support, aided by a high-performance foam and fiber composition. The mattress is further enhanced through platinum pocket springs, for... more

California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium | 84 H x 53 W 12 D in Wayfair 700810101-1070

Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King Firm 12" Innerspring Mattress - Beautyrest Silver... more

California King Medium 12" Latex Mattress - PlushBeds Botanical Bliss | 80 H x 76 W 12 D in Wayfair BOTBLM1207

Introducing the Botanical Bliss Organic Latex Mattress, meticulously handcrafted in California using the finest organic materials. This exceptional mattress features top-quality GOLS certified organic latex, GOTS certified organic cotton, and GOTS... more

California King Firm 12" Foam Mattress - Brooklyn Bedding | 80 H x 60 W 12 D in Wayfair WS12F67-CK

Whether you're a spreader, a curler, or somewhere in between, this 12'' innerspring mattress is here to help you get the rest you deserve. This mattress is crafted with a pocket coil design for a little extra orthopedic support, while the quilted,... more

California King 12" Gel/Foam Mattress - Alwyn Home Plush Hybrid Gel Memory Foam | 80 H x 60 W 12 D in Wayfair 27FF4384ACAF4EECA690C80E3408B51B

The 12” Hybrid Gel mattress features multiple temperature-neutralizing attributes to combat heat throughout the night. The sleep surface is comprised of gel memory foam and the airiness of the coils allows heat to flow through and out of the mattress.... more

California King Firm 12" Foam Mattress - Lucid Comfort Collection | 80 H x 72 W 12 D in Wayfair LU12CK45MF

Offering the perfect medium-firm feel that's neither too firm nor too plush, this mattress from the lucid comfort collection will change the way you sleep. This mattress features a sure cool gel-infused memory foam surface that alleviates pressure and... more

California King Medium 12" Gel/Foam Mattress - Alwyn Home Gadre Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 05A5DE4B78384DCAAE658479337E5E72

The mattress is made from multiple layers of memory foam for a medium firmness. The design of the mattress infused with gel memory foam is not only breathable and adjusts the temperature, but also keeps you cool and comfortable while you sleep,... more

California King Medium 12" Memory Foam Mattress - Alwyn Home Malinta | 84 H x 72 W 12 D in Wayfair C60CF79A70D842B4AB92B64C743E6C2F

Our 12” gel memory foam mattress is ergonomically designed to provide the right amount of support based on pressure points while keeping your spine aligned, so you can stay away from back pain every morning. The three layers of memory foam work... 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 12" Gel/Foam Mattress - Alwyn Home Cerqueira Plush Gel Memory Foam | 84 H x 72 W 12 D in Wayfair E8B6D3002F0741D8B22A18D94136C0E8

The Hybrid mattress provides the perfect night's sleep because it combines gel memory foam and PowerEdge wrapped coils that provide unbeatable support, while you stay cool, comfortable, and rested. Its multiple-layer structure and advanced technology... more

California King Medium 12" Foam Mattress - Simmons PeacefulSleep Pillow Top | 79.5 H x 83.5 W 12 D in Wayfair 700812691-1070

The mattress brings you seriously satisfying sleep at prices that won't break the bank. With a traditional quilted top panel, our innerspring models feature first-rate foams to meet your comfort needs, a base layer for sink-free support, and... more

California King 12" Gel/Foam Mattress - Neven Classic Plush Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 10044-NS-12C-CK-WF

Enjoy our NeutraSleep Collection from Neven®. 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,... more

California King 12" Gel/Foam Mattress - Signature Design by Ashley Ultra Plush Gel Memory Foam & Adjustable Base | 83.46 H x 71 W 12 D in Wayfair

Enjoy endless possibilities for restful sleep with this hybrid innerspring California king mattress and adjustable base set. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High-density foam... 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 Medium 12" Hybrid Mattress - Sealy Paterson | 84 H x 72 W 12 D in Wayfair 52786662

This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. A reinforced coil edge increases durability, while the soft knit antibacterial cover helps to keep you cool, and the... more

California King 12.5" Memory Foam Mattress - Highlander Home in Brown | 84 H x 72 W 12.5 D Wayfair WLY-B05165519

Features:Handle(s) Included: NoISO 14021 Recycled Content Standard Certified: NoReversible: NoCoil Type: Pocket CoilEdge Support: NoCertiPUR-US Certified: NoReinforced Center: NoAntimicrobial: NoFACTS - NSF/ANSI 336 - Compliant: NoCPSC - 16 CFR 1632... more

California King Medium 12" Gel/Foam Mattress - Hybrid w/ Gel Foam & Low-motion Pocket Coils Hangzhou Tomu E-Commerce Co, Ltd | 84 H x 72 W 12 D in Wayfair

Drift into a world of luxurious comfort on our memory foam mattress. The memory foam molds to your body, relieving pressure points for unparalleled rest. This mattress uses a combination of advanced foams to deliver custom body-hugging support for... more

California King 12" Hybrid Mattress - Signature Design by Ashley 1200 | 12 H x 72 W 83.5 D in Wayfair M43551

With this California king mattress, you have endless possibilities for restful sleep. Its power packed wrapped coils contour to your body. Layers of foam—including response memory foam—provide support and comfort. You're sure to wake up feeling... more

California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 72 W x 12 D in Wayfair 42950662

Featuring trusted Sealy quality with targeted back and core support, a reinforced edge for increased durability, and an antibacterial soft knit cover that wicks away moisture and keeps the mattress protected. Medium feel. Box Spring Height: 5, Mattress... more

California King 12" Gel/Foam Mattress - Alwyn Home Palace 12Inch Gel Infused Memory Foam Hybrid Bed Innersprings | 84 H x 76 W 12 D in Wayfair

It is smartly compressed and rolled up in a box for shipment, it usually takes 48-72 hours for the mattress to fully expand to its original shape. Mattress Size: California King | California King 12" Gel/Foam Mattress - Alwyn Home Palace 12Inch Gel... more

California King Medium 12" Hybrid Mattress - Ergo-Pedic Coppercloud Infused Medium-Soft in Brown | 84 H x 72 W 12 D Wayfair H12CPRK84

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

California King 12" Gel/Foam Mattress - Slumber Solutions Plush Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 35602-03481-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 12.5" Memory Foam Mattress - Highlander Home in Brown | 84 H x 72 W 12.5 D Wayfair WLY-B05165518

Features:Handle(s) Included: NoISO 14021 Recycled Content Standard Certified: NoReversible: NoCoil Type: Pocket CoilEdge Support: NoCertiPUR-US Certified: NoReinforced Center: NoAntimicrobial: NoFACTS - NSF/ANSI 336 - Compliant: NoCPSC - 16 CFR 1632... more

California King 12" Hybrid Mattress - Aireloom La Brea 12"Plush | Split Wayfair 9286219

Treat yourself to an unparalleled sleep experience with this product. Expertly handmade by master craftsmen, the mattress combines individually wrapped coils, high-performance foams, and breathable Tencel knit cover to offer you an unsurpassed level of... more

California King Medium 12" Gel/Foam Mattress - The Twillery Co.® Padgett Hybrid Cooling Gel Care Memory Foam & Coil | 84 H x 72 W 12 D Wayfair

Experience ultimate comfort on the Padgett 12" Hybrid Mattress from The Twillery Co. The 6-layer craftsmanship features a breathable, cooling Blue Ice Yarn knit cover, Cooling Copper Infused Memory Air Foam, GelCare Comfort Foam, high-density support... more

California King Medium 12" Memory Foam Mattress - Ergo-Pedic Zencloud Original Infused in Brown | 84 H x 72 W 12 D Wayfair F12CBDPK84

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 Medium 12" Hybrid Mattress - The Twillery Co.® Tribble | 84 H x 72 W 12 D in Wayfair 3D55CA8EE65B49D7A97D17A054E46991

Meet the The Twillery Co.® Tribble 12" Medium Hybrid Mattress! Featuring a multi-layered design, this mattress contains a multitude of comfort components that check every box and ensure a quality night's sleep. A 7.9in Pocket Coil layer provides... more

California King Medium 12" Memory Foam Mattress - Casper Sleep Snow Hybrid w/ Cooling Technology | 84 H x 76 W 12 D in Wayfair 950-000137-006

Experience the snow, casper's most loved mattress is now re-engineered with the latest cooling features. Snow technology uses heat delete bands, phase change material, and a cool touch cover to keep you 5 degrees cooler all night. Breathable open-cell... more

California King 12.5" Memory Foam Mattress - Highlander Home in Brown | 84 H x 72 W 12.5 D Wayfair WLY-B05165517

Features:Handle(s) Included: NoISO 14021 Recycled Content Standard Certified: NoReversible: NoCoil Type: Pocket CoilEdge Support: NoCertiPUR-US Certified: NoReinforced Center: NoAntimicrobial: NoFACTS - NSF/ANSI 336 - Compliant: NoCPSC - 16 CFR 1632... more

California King Medium 12" Gel/Foam Mattress - Nora® by Wayfair Sleep Nora Gel Memory Foam w/ Icy Cool Cover | 84 H x 72 W 12 D in

This 12" thick mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Four layers of gel and memory foam have a medium firmness and a breathable design that helps to keep you... more

California King Medium 12" Hybrid Mattress - Wayfair Sleep™ USA Made | 84 H x 72 W 12 D in 88B53958056742399EA674DE8C70DADE

This Wayfair Sleep 14" Medium Hybrid mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Proudly made and designed in the USA, its layers of gel perfusion memory foam,... more

California King Medium 12" Gel/Foam Mattress - Slumber Solutions Renew Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 35602-04399-WF

Surround yourself with luxury with this premium Gel Memory Foam Mattress. Our mattresses are specifically Made in the USA with quality and comfort in mind. Using high-grade gel memory foam and covers, this mattress will keep you comfortable for years... more

California King 12.5" Memory Foam Mattress - Highlander Home in Brown | 84 H x 72 W 12.5 D Wayfair WLY-B05165522

Features:Handle(s) Included: NoISO 14021 Recycled Content Standard Certified: NoReversible: NoCoil Type: Pocket CoilEdge Support: NoCertiPUR-US Certified: NoReinforced Center: NoAntimicrobial: NoFACTS - NSF/ANSI 336 - Compliant: NoCPSC - 16 CFR 1632... more

California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush & Box Spring Set | 75 H x 72 W 12 D in Wayfair 700810104-9970

Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Standard Profile (9") | California King 12"... more

California King Medium 12" Gel/Foam Mattress - Lucid Comfort Collection Gel Memory Foam & Bed Frame | 84 H x 72 W 12 D in Wayfair LUCC12CK45MF14FP

The Lucid Comfort Collection 12" Medium Gel Memory Foam Mattress and Bed Frame provide a supportive profile perfect for back, side, and stomach sleepers. Plus, the gel-infused memory foam helps manage body temperature to create a cooler sleep... more