Furniture › Bedroom Furniture › California King › 20 x 12 inch rectangular

California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

The Zoned mattress has 4 specialty targeted zones designed for specific regions of the body. Each zone provides the perfect amount of conformity to keep the spine in a neutral position, allowing you to rest easily. The gel-infused foams and Flex-air... 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 - Spinal Solution 12-Inch Gel w/ Zipper, Removable & Washable Cover, Breathable | 80 H x 60 W 12 D in Wayfair

This luxurious twelve-inch mattress is truly one-of-a-kind. It blends cooling gel and natural crushed pearls directly into the premium memory foam. Unique cooling fibers are woven into the cover, which neutralizes temperature variations while you... more

California King Firm 12" Mattress - White Noise 12-inch Zoned Reactive w/ Zipper, Medium Firm, Breathable, Machine Washable | 84 H x 72 W 12 D in Wayfair

The Zoned mattress has 4 specialty targeted zones designed for specific regions of the body. Each zone provides the perfect amount of conformity to keep the spine in a neutral position, allowing you to rest easily. The gel-infused foams and Flex-air... 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 12" Gel/Foam Mattress - O By Neven Allume Plush Charcoal Infused Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 10044-OM-12A-CK

O by Neven is a modern and affordable mattress built with your sleep needs in mind. If you are looking for the ultimate comfort combined with advanced cooling technology, the Allume from O by Neven mattress is the ideal choice. This 12-inch, 5-layered... more

California King 12" Hybrid Mattress - Luuf Simplicity Cooling 12 Inch | 84 H x 72 W D in Wayfair EOQZNUA-1070

Our most affordable adult mattress ever, the LuuF Simplicity is designed for all sleeping positions. Multiple layers of cooling comfort provide the ideal amount of hug and contour while offering personalized support for each sleeper. Mattress Size:... 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 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

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" 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" Memory Foam Mattress - Signature Design By Ashley 10 Inch Chime 2.0 | 84 H x 72 W D in Wayfair M42551

Stretch out and let the cares of the day fade away. This ultra-plush king mattress is crafted for modern comfort and convenience, with layers including refreshing green tea foam and response memory foam that support and contour to your body. Even... more

California King 14" Memory Foam Mattress - Signature Design By Ashley 14 Inch Chime 2.0 Ultra Plush | 84 H x 72 W D in Wayfair M42751

Stretch out and let the cares of the day fade away. This ultra-plush king mattress is crafted for modern comfort and convenience, with layers including refreshing green tea foam and response memory foam that support and contour to your body. Even... 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" Memory Foam Mattress - Alwyn Home Bavorov | 84 H x 72 W 12 D in Wayfair 4FF4B281A89D4D738ACF78DC7B393937

Experience ultimate comfort on the 12-inch remedy hybrid memory foam and coil mattress. Our quality craftsmanship features 5-layer construction including a 1 inch cooling copper infused plush layer, 2.5 inch GelCare comfort layer, 1 inch high-density... more

California King 12" Foam Mattress - Brooklyn Bedding Plush | 75 H x 39 W 12 D in Wayfair WS12P67-CK

Set the stage for the good night's rest you deserve with this 12" Plush Innerspring Mattress. It offers a plush comfort level through its four layers: two inches of base foam, six inches of individually pocketed coils, three inches of soft premium... more

California King Medium 12" Hybrid Mattress - Alwyn Home Rohando Sofa Bed Mattress, Polyester | 84 H x 72 W 12 D in Wayfair

Enjoy your mornings after sleeping on the 12-inch gel memory foam quilted hybrid mattress. Featuring a 1.5-inch quilted soft comfort foam and fiber top layer, 1.5-inch of wave patterned gel comfort foam, 0.5-inch of supportive transition foam, an... more

California King 12" Memory Foam Mattress - Alwyn Home Plush | 84 H x 72 W 12 D in Wayfair ANEW1326 37839651

Thick and supple, this memory foam mattress is a great option. Enjoy the ultimate in comfort. Memory foam accommodates changing sleep positions to increase the chance of uninterrupted slumber. This twelve-inch mattress offers substantial construction.... 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 Firm 12" Gel/Foam Mattress - Alwyn Home Quinnipack Gel Memory Foam Pocket Spring Hybrid | 84 H x 72 W 12 D in Wayfair

Our 12-inch hybrid mattress is an excellent choice for those seeking a comfortable and supportive sleeping solution. With its combination of foam and coils, it offers optimal comfort, support, and durability, making it a great investment for your... more

California King Firm 12" Foam Mattress - Corsicana Hospitality 12 Plush Open Coil Encased | 84 H x 76 W D in Wayfair AS80212SH-1070

12-inch Open coil extra firm mattress. Designed to create an immediate plush feel. Featuring comforting softness combined with ergonomic support to provide your guests with the perfect night's sleep. Mattress Size: California King | California King... more

California King Medium 12" Foam Mattress - Shaddix Alwyn Home Copper Infused in Brown | 84 H x 72 W 12 D Wayfair F262B58869234054B2A1ECED2E07A9FC

Sink into the plush support and comfort of a modern copper-infused memory foam mattress. An indulgent upgrade for any bedroom, the mattress delivers an 8-inch thickness that features dual-layer construction encased in a breathable cool touch cover that... more

California King Medium 12" Memory Foam Mattress - Serta Sheep Dreams | 72 H x 83.5 W 12 D in Wayfair 500772148-1070

Reach your Sheep Dreams with this 12” Gel memory foam mattress! Packed with three layers of foam, this mattress delivers optimized sleeping comfort. The 3-inch layer of premium gel-infused memory foam contours to the body for cradling comfort and... more

California King 12" Foam Mattress - Corsicana Hospitality 12 Plush Eurotop Open Coil Encased | 84 H x 76 W D in Wayfair AS70212SH-1070

12-inch Open coil plush mattress. Designed to create an immediate plush feel. Featuring comforting softness combined with ergonomic support to provide your guests with the perfect night's sleep. Mattress Size: California King | California King 12" Foam... 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 Firm 12" Foam Mattress - Corsicana Hospitality 12 Plush No Infusions Hybrid | 84 H x 76 W D in Wayfair AH10512SH-1070

12-inch Pocketed coil firm mattress. A hybrid mattress with gel memory foam provides additional body contouring and support while creating a cool sleep surface. Mattress Size: California King | California King Firm 12" Foam Mattress - Corsicana... more

California King Medium 12" Memory Foam Mattress - MLILY Charcoal | 84 H x 72 W 12 D in Wayfair HC-MU-12CK

The MLILY Dream 12-inch Memory Foam Mattress is the ultimate sleeping solution for anyone who wants to feel like a champion every time they go to bed. Designed in collaboration with Manchester United Football Club, this mattress is built to provide you... more

California King 12" Foam Mattress - Corsicana Hospitality 12 Plush No Infusions Hybrid | 84 H x 72 W D in Wayfair AH70512SH-1061

12-inch Pocketed coil euro top mattress. A hybrid mattress with gel memory foam provides additional body contouring and support while creating a cool sleep surface. Mattress Size: Hotel King | California King 12" Foam Mattress - Corsicana Hospitality... more

California King 12" Foam Mattress - Corsicana Hospitality 12 Plush No Infusions Hybrid | 84 H x 76 W D in Wayfair AS40212SH-1070

12-inch Open coil plush mattress. Designed to create an immediate plush feel. Featuring comforting softness combined with ergonomic support to provide your guests with the perfect night's sleep. Mattress Size: California King | California King 12" Foam... more

California King 12" Foam Mattress - Corsicana Hospitality 12 Plush No Infusions Hybrid | 84 H x 72 W D in Wayfair AH70512SH-1070

12-inch Pocketed coil euro top mattress. A hybrid mattress with gel memory foam provides additional body contouring and support while creating a cool sleep surface. Mattress Size: California King | California King 12" Foam Mattress - Corsicana... more

California King Medium 12" Memory Foam Mattress - Fangflower | 84 H x 72 W 12 D in Wayfair IDLE-MF12-CK

This 12-inch medium king mattress is ergonomically divided into 5 zones to achieve ideal body adaptation and support. It can provide support from head to toe, no matter what direction you are lying in. With well-designed soft shoulder support and firm... more

California King Medium 12" Gel/Foam Mattress - Alwyn Home Dunaverney Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 361ED2E82B604A338A49E6047BDF6D16

Experience ultimate comfort on the 12-inch Hybrid Mattress. The 5 layer craftsmanship freatures a breathable cover, latex-like GelCare Hypergel Quick Response Foam, high-density support foam and 8" Individually Wrapped Coils on a structural foam... more

California King 12" Foam Mattress - Corsicana Hospitality 12 Plush No Infusions Hybrid | 84 H x 76 W D in Wayfair AH40512SH-1070

12-inch Pocketed coil plush mattress. A hybrid mattress with gel memory foam provides additional body contouring and support while creating a cool sleep surface. Mattress Size: California King | California King 12" Foam Mattress - Corsicana Hospitality... more