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California King Medium 14" Memory Foam Mattress - Sleep Innovations Shiloh | 84 H x 72 W 14 D in Wayfair 3073858

Upgrade your bed with the Shiloh Mattress for head-to-toe comfort, while keeping your body properly aligned, fully supported, and at a comfortable temperature. The Shiloh Mattress features our most cloudlike memory foam technology to help you fall... more

California King Medium 12" Gel/Foam Mattress - Sleep Innovations Ellis Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 3302019

With Ellis, we raised the bar on cooling tech, for soothing comfort that never quits. On top, a soft, cool cover features instantly cooling fibers that help you relax. Inside, advanced EVENcor GelPlus® memory foam draws heat away from the body, keeping... 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 - Blissful Nights Two-Sided Medium & Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 12SWITCH-CK

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 Medium Firm 12" Foam Mattress - Wayfair Sleep™ Sleep 12 Inch Pocket Spring w/ CertiPUR-US Certified Layer, Hybrid | 84 H x 72 W D in

This 12" 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. Its layers of memory foam have a medium firmness, a breathable design, and moisture-wicking properties to help... more

California King Firm 12" Memory Foam Mattress - Sleep Innovations Arlo | 84 H x 72 W 12 D in Wayfair 3078750

Find the firm, pressure-relieving support that helps align your spine and keep you in deep, undisturbed sleep. Under a cool quilted cover with fresh protection, a top layer of high airflow foam adds breathable coolness, moving excess heat away from... more

California King 12" Gel/Foam Mattress - Sleep Innovations Skyler 12 Inch Cooling Gel Memory Foam w/ Plush Fiber Fill Pillow Top | 84 H x 72 W D in Wayfair

Discover pure, luxurious bliss on the Skyler Mattress. A plush pillow top covered with fluffy fiberfill softly embraces you from head to toe for instant comfort. Underneath, cooling gel memory foam and airflow channels with enhanced breathability... more

California King Firm 10" Gel/Foam Mattress - Sleep Innovations Marley Medium Gel Memory Foam | 72 W x 10 D in Wayfair 3073835

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 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 Medium 12" Memory Foam Mattress - Tempur-Pedic TEMPUR ProAdapt | 84 H x 72 W 12 D in Wayfair 10737180

Continuous innovation for continuous comfort. This product 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 needs. Every point of... more

California King Medium 12" Memory Foam Mattress - Nora® by Wayfair Sleep Nora Latex Hybrid | 84 H x 72 W 12 D in 7AF283399ECA47CDB51ED83E8765D788

This latex hybrid mattress has 12” of pressure-relieving layers over an encased spring unit for added support and all-night comfort. What’s more, the gel-infused memory foam helps to reduce tossing and turning, and the layer of cooling foam helps keep... 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" Memory Foam Mattress - Charcoal infused ComforPedic Loft from Beautyrest | 84 H x 72 W 12 D in Wayfair 35602-07006-WF

Comforpedic Loft from Beautyrest mattresses gives you a clean, refreshing feel to your mattress, ensuring that you get the rest you need and the comfort you desire. Manufactured from high-end foams and unique processes, this mattress will be your sleep... more

California King Medium 12" Gel/Foam Mattress - Alwyn Home Daya Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 642E9AC8EB0C43CBAF6204AFE4F7E06B

This mattress can help alleviate spine discomfort, promote sleep well and make you feel good. Feels so healthy when waking up. it is a product you should choose. Mattress Size: California King | California King Medium 12" Gel/Foam Mattress - Alwyn Home... more

California King Firm 12" Foam Mattress - Alwyn Home Brooklyn Bedding Medium | 80 H x 72 W 12 D in Wayfair WFSL1031 34396129

Give yourself the perfect stage for a good night's sleep with this mattress. Crafted using individually wrapped pocket coils and a quilted foam topper, this mattress is perfect for giving you the support you need with a medium-firm feel. Plus, it's... 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 Medium 12" Foam Mattress - Alwyn Home Gollapalli Soft-Medium Combined Construction Types Mattress, Latex | 72 H x 84 W 12 D in Wayfair

Introducing the "Pure" 12-inch pocket coil mattress, the epitome of luxurious comfort and advanced support. In a market overflowing with memory foam and latex options, the Pure mattress stands out as a beacon of innovation and distinction. Crafted with... more

California King Medium 12" Gel/Foam Mattress - ELEMUSE Gel Memory Foam | 84 H x 72 W 12 D in Wayfair MA-12-CK

Elevate your sleep with this 12-inch Medium Cooling Gel Memory Foam Mattress. The soft cushioning layer and solid support layer will quickly immerse you in a restful sleep, completely relieving your body's fatigue. When you wake up, you will feel as if... more

California King Medium 12.5" Gel/Foam Mattress - Alwyn Home Manda Gel Memory Foam | 84 H x 72 W 12.5 D in Wayfair 3B6C4D5A46ED43B0AB73632C24A02FF8

Experience the ultimate in sleep comfort with our mattress featuring advanced technologies. The CoolTouch Temperature Regulating Fabric ensures a cool and refreshing sleep environment, keeping you comfortable throughout the night. The responsive Gel... more

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 - Ergo-Pedic Coppercloud Original Infused in Brown | 84 H x 72 W 12 D Wayfair F12CPRK84

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 also a natural anti-inflammatory that helps... more

California King Medium 12" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 35602-03486-WF

Perfectly personalizing your sleep experience, providing unbeatable comfort with a gel memory foam mattress. Infusing gel particles with Visco elastic memory foam helps to create an optimal temperature for an ideal sleep environment. With an open-cell... 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" 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 Medium 12" Memory Foam Mattress - Alwyn Home Landaverde | 84 H x 72 W 12 D in Wayfair 37F1C66A0169407387D9E205BA854A72

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 12.75" Memory Foam Mattress - Serta iComfortECO F10 | 72 H x 83.5 W 12.75 D in Wayfair 500805178-1070

Featuring select materials that are up to 70% sustainable, the iComfortECO supportive foam mattress was designed for sleep that’s cool, comfortable, and restorative—with upgrades available for even more cooling, comfort, and pressure relief. Mattress... 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 - BRN Tranquility Euro-Top Edge Support Pocket Spring Premium Hybrid | 84 H x 72 W 12 D in Wayfair

Indulge in the comfort of our Euro Top Hybrid Mattress, meticulously crafted with thoughtfully stitched high-quality knitted fabric for a restful sleep and a soft tactile experience. Immerse yourself in layers of comfort memory foam that provide... more

California King Medium 12" Gel/Foam Mattress - MOLECULE CopperWELL Cooling Gel Memory Foam Plush in Brown | 84 H x 72 W 12 D Wayfair 3073527

Improve your sleep quality, recover faster, and prevent the growth of damaging bacteria and fungus with the MOLECULE CopperWELL Mattress. Featuring CopperWELL copper-infused gel memory foam that provides the perfect blend of pressure relief and... 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 Medium 12" Foam Mattress - USP Furniture Pockect | 84 H x 72 W 12 D in Wayfair SL-MT2-CK

This hybrid mattress can provide you with an extremely comfortable sleep with the pocket coil support layer. The euro top soft skin-friendly fabric enhances the comfort level of this hybrid mattress. The mattress is supported by hundreds of individual... more

California King Medium 12" Memory Foam Mattress - Rubbermaid | 79 H x 71 W 12 D in Wayfair m4341

For sound sleep you've always dreamed of. This body contouring memory foam mattress delivers amazing support, pressure relief and comfort. Designed with layers of memory foam for support and pressure relief, all with a comfortable feel. The support... more

California King Medium 12" Memory Foam Mattress - Alwyn Home Kolton | 84 H x 72 W 12 D in Wayfair 7BF49C15AACB4396A7B2981F485B747F

This exceptional 12-inch Medium Gel Memory Foam Mattress is the key to a comfortable and cool sleep experience! Featuring two layers of cooling gel-infused memory foam, this mattress offers exceptional support and pressure relief, ensuring a restful... more

California King Medium Firm 12" Foam Mattress - Brooklyn Bedding 12 | 84 H x 72 W D in Wayfair BBMGHY1267

Introducing the new Brooklyn Bedding Select Gel Memory Foam Hybrid Mattress, including comfort and support - our medium firm mattress, meticulously designed to redefine your sleep experience. Crafted with a blend of cooling technology and strong edge... more

California King Medium 12" Memory Foam Mattress - HOME CASA | 84 H x 72 W 12 D in Wayfair HCSJ-MAT2-CK

Experience cool and breathable nights with high-density open-cell foam. Versatile placement on any firm surface. Quick shape recovery for prompt use. Optimal support with upgraded pocketed innerspring design. Enjoy undisturbed sleep with individually... more

California King Medium 12" Memory Foam Mattress - Alwyn Home Moreno Charcoal Infused | 84 H x 72 W 12 D in Wayfair 1DF7A172D06346C18D00427468D2F3E2

Get the sleep you need with the balanced support of our comfortable Charcoal Memory Foam Mattress. Our Gel and Charcoal-infused memory foam mattress contours to the shape of your body, easing pressure points that can cause discomfort and eliminates... more

California King Medium 12" Gel/Foam Mattress - Gel Memory Foam ComforPedic Loft from Beautyrest | 84 H x 72 W 12 D in Wayfair 35602-04771-WF

Elevate your sleep experience with a 12" medium 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 has increased airflow... more