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California King Medium 12" Memory Foam Mattress - Red Barrel Studio® Copper Mattress, Breathable, Machine Washable Zip Off Cover System | 84 H x 72 W 12 D in Wayfair

Copper is recognized as an essential mineral with health benefits like increased collagen production, energy levels, and iron absorption. The top layer of 2” Copper Memory Foam has antimicrobial properties that neutralize temperatures and dissipate... more

California King Medium 12" Memory Foam Mattress - Red Barrel Studio® Copper Mattress, Breathable, Machine Washable Zip Off Cover System | 84 H x 72 W 12 D in Wayfair

Copper is recognized as an essential mineral with health benefits like increased collagen production, energy levels, and iron absorption. The top layer of 2” Copper Memory Foam has antimicrobial properties that neutralize temperatures and dissipate... 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 12" Memory Foam Mattress - Craft & Trade Artistry Hybrid Quantum Edge Coil Spring Mattress, 12 Inch | 84 H x 72 W D in Wayfair

CRAFT & TRADE - The Art of Better Sleep. The COPPERGEL Cooling Memory Foam Mattress, CRAFT & TRADE, 12 inch Hybrid, California King combines supportive coils with memory foam. Our hybrid mattresses are engineered with some of the industry’s most... more

California King 12" Memory Foam Mattress - Benjara 12 Inch Ultra Soft Size Mattress, US Certified | 72 H x 84 W D in Wayfair BM283032

Sleep in supreme relaxation with this lusciously beautiful California king mattress. Its US certified high density memory foam gives it a distinctly cozy and relaxing bounce, and it is made in a crisp pure white color for a clean, angelic aesthetic,... more

King 12" Memory Foam Mattress - Craft & Trade Artistry Hybrid Quantum Edge Coil Spring Mattress, 12 Inch | 80 H x 76 W D in Wayfair 00018590

CRAFT & TRADE - The Art of Better Sleep. The COPPERGEL Cooling Memory Foam Mattress, CRAFT & TRADE, 12 inch Hybrid, California King combines supportive coils with memory foam. Our hybrid mattresses are engineered with some of the industry’s most... more

California King Firm 5" Mattress - Spinal Solution 5-Inch Medium Water Resistance Nylon Vinyl Dual Sided Mattress, Noiseless, Soft Cloud Feeling | 84 H x 72 W 5 D in Wayfair

If adults are sleeping on your mattresses, you probably want to have nylon. Its breathability allows your guests to sleep cooler, so you don't have to worry that they'll wake up in the middle of the night dripping with sweat as they throw off their... more

California King Firm 7" Mattress - Spinal Solution 7-Inch Medium Water Resistance Nylon Vinyl Dual Sided Mattress, Noiseless, Soft Cloud Feeling | 84 H x 72 W 7 D in Wayfair

If adults are sleeping on your mattresses, you probably want to have nylon. Its breathability allows your guests to sleep cooler, so you don't have to worry that they'll wake up in the middle of the night dripping with sweat as they throw off their... more

California King 12" Hybrid Mattress - Serta Perfect Sleeper Renewed Relief Plush | 73 H x 85 W 12 D in Wayfair 500300168-1070

A top-of-the-line mattress, the Serta Perfect Sleeper 12" Plush Hybrid Mattress-In-A-Box delivers pressure-relieving comfort and support with a plush feel. Deep Reaction Memory Foam is laid on top of HexCloud Gel Memory Foam for a supportive, cradling... more

California King 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42951162

An upgraded spring mattress with motion-reducing encased coils targeted back and core support and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool and your mattress protected. Soft feel. Mattress... more

California King Firm 12" Innerspring Mattress - Serta Azure Bay | 84 H x 72 W 12 D in Wayfair 500703511-1070

There is nothing better than waking up after an entire night of supported and comfortable sleep. That's why we've introduced our Azure Bay 12" Innerspring Firm Tight Top mattress to the world! We've added CoolTwist Gel Foam to promote breathable... more

California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 80 H x 76 W 12 D in Wayfair 700810102-9870

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: Low Profile (5") | California King Extra Firm 12"... more

California King 12" Memory Foam Mattress - Tempur-Pedic TEMPUR ProAdapt Plush | 84 H x 72 W 12 D in Wayfair 10738180

Continuous innovation for continuous comfort. The Tempur-ProAdapt Soft 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 Medium 12" Gel/Foam Mattress - Minocasa Gel Memory Foam Sofa Bed | 72 H x 84 W 12 D in Wayfair Mino Hybrid Cal. King

The mattress features a 5 area support that enhances your sleeping experience and feautres individually wrapped spring coil system that enhances with motion isolation during your use of our Minocasa hybrid mattress. Our Minocasa mattress comes with a... more

California King Medium 16" Innerspring Mattress - Beautyrest Silver BRS900-C Pillow Top | 80 H x 72 W 16 D in Wayfair 700753224-1070

Sleep on a Beautyrest Silver BRS900 - C Medium Pillow Top 16" Innerspring Mattress and wake up rejuvenated. The sophisticated design and intuitive technologies found help provide comfort, support, and pressure relief. Try it for yourself and you’ll... more

California King Medium 14" Hybrid Mattress - Wayfair Sleep™ Sleep | 83 H x 71 W 14 D in 20BB760148864453A98C79AAE27772F7

Set the stage for a good night’s sleep with this 14” medium plush hybrid mattress with edge support. It is crafted using a six-layer combination of pocket coils and gel memory foam and features a medium firmness with low motion transfer - so your... more

California King Medium 13.5" Hybrid Mattress - Beautyrest Black CX-Class | 79.5 H x 83.5 W 13.5 D in Wayfair 700811494-1070

Elevate your sleep to a luxurious reward night after night. Our most advanced collection yet, the Beautyrest Black Hybrid 13.5" Medium Mattress offers up to 21% more support where your body needs it the most. With help from our new plant-based cooling... more

California King Medium 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top & Box Spring Set | 84 H x 72 W 15 D in Wayfair 42953662

This Euro Pillow Top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep... more

California King Medium 13.75" Innerspring Mattress - Beautyrest BR800 Pillow Top | 14 D in Wayfair 700753480-1070

Experience energizing sleep! This mattress combines the best of both worlds with the Beautyrest pocketed coil technology with air-cool gel memory foam to deliver the support your body needs and the comfort you want. Mattress Size: California King |... more

Copper Infused 10 In Medium Memory Foam California King Mattress

Description Copper Infused Mattress is the epitome of luxury. It naturally contours to your body and pressure points for a plush feel and great support. more

California King Medium 13.5" Memory Foam Mattress - Alwyn Home Danielle Charcoal | 84 H x 72 W 13.5 D in Wayfair C0BDA6A858D04FB39A203DBA69997BA5

Enjoy a restful sleep with the innovative 13.5" Memory Foam Mattress. This mattress features the latest evolution of memory foam, bio foam, which replaces some of the traditional petroleum with plant oil. It also contains green tea extract and... 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 Medium 14.5" Innerspring Mattress - Beautyrest Silver BRS900-C & Box Spring Set | 80 H x 60 W 14.5 D in Wayfair 700810110-9970

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. Box Spring Height: Standard Profile (9"), Mattress Size: California King | California King Medium 14.5"... 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 Medium 12" Hybrid Mattress - Ergo-Pedic Zencloud Infused Medium-Soft in Brown | 84 H x 72 W 12 D Wayfair H12CBDPK84

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

Signature Design by Ashley 14-inch Ashley Hybrid California King Mattress

The ultimate in size and comfort the Ashley Furniture 14-inch Ashley Hybrid Black and Grey California King Mattress has three inches of high-density gel memory foam for ultimate lumbar support; plus three inches of high-density cushion foam for a luxury… more

California King Medium 12" Hybrid Mattress - Nora® by Wayfair Sleep Nora Cooling Mattress, Polyester | 83 H x 71 W 10 D in

This 12" thick hybrid mattress has a tight top and low-motion transfer, designed to let you stay asleep even if your partner tosses and turns. Multiple layers of memory foam have a medium firmness with a breathable design that helps keep you cool while... more

California King Medium 10" Hybrid Mattress - Nora® by Wayfair Sleep Nora Cooling Mattress, Polyester | 71 H x 83 W 12 D in

This 10" thick hybrid mattress has a tight top and low motion transfer, designed to let you stay asleep even if your partner tosses and turns. Six layers of memory foam have a high firmness with a breathable design that helps keep you cool while... more

King Medium 13" Gel/Foam Mattress - Spinal Solution 13-Inch Hybrid-Medium Plush Gel w/ Zipper, Washable Cover, Breathable, Soft | 80 H x 76 W 13 D in Wayfair

This luxurious thirteen-inch mattress blends cooling gel and natural pearls into premium memory foam and is supported by a foam-encased coil system for lofty conforming comfort. Specialty cooling fibers are woven into the cover, which neutralizes... more

California King Medium 12" Gel/Foam Mattress - Home Gel Memory Foam | 84 H x 72 W 12 D in Wayfair NV0M801-12-CLK

If you are looking for the best foam mattress, you can look at this gel memory foam mattress. Because gel memory foam mattresses are perfect for people who need to decompress, this material is known for slowly adapting to the sleeper’s body, helping to... more

California King Medium 12" Hybrid Mattress - Avenco | 84 H x 72 W 12 D in Wayfair A-M02805-12-CLK

If a mattress that offers both customized support and comfort is on your list, look no further than this 12" Pocket Spring Hybrid Mattress, a Medium Firm Bed in a Box. This Hybrid mattress offers luxury and superior comfort for a deep and restorative... more

King Firm 12" Gel/Foam Mattress - Spinal Solution 12-Inch Hybrid Gel w/ Moisture Wicking, Cooling System, Breathable | 84 H x 72 W 12 D in Wayfair

Made with temperature-controlling properties, the 12” hybrid gel mattress dissipates heat for a comfortable sleep throughout the night. Individually wrapped coils, encased with foam, reinforce the mattress edges to increase the sleep surface of this... more

California King Firm 12" Gel/Foam Mattress - Spinal Solution 12-Inch Hybrid Gel w/ Moisture Wicking, Cooling System, Breathable | 84 H x 72 W 12 D in Wayfair

Made with temperature-controlling properties, the 12” hybrid gel mattress dissipates heat for a comfortable sleep throughout the night. Individually wrapped coils, encased with foam, reinforce the mattress edges to increase the sleep surface of this... 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 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" Hybrid Mattress - Alwyn Home Moseley | 80 H x 76 W 12 D in Wayfair 488667929A504E1E9CD4024687D34E94

Don't want to feel like you're sinking into your mattress but want to reap the benefits of memory foam? Indulge in the best of both worlds. Our hybrid mattress sleeps like a "real mattress" and has been designed with both comfort and support in mind.... more