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California King Firm 12" Hybrid Mattress - Signature Design by Ashley 84.0 H x 76.0 W 12.0 D | Wayfair M62851

With this hybrid queen mattress, you have endless possibilities for restful sleep. Feel the support of a truly traditional coil mattress that contours to your body for a comforting feel. High-density foam provides the firmness you love. Gel memory... more

King Extra Firm 12" Innerspring Mattress - Sealy Tight Top Sofa Bed & Box Spring 80.0 H x 60.0 W 12.0 D | King/9" Wayfair 42728361

This mattress upgrades Posturepedic® Spring mattresses with our most rigorously tested materials. Motion-reducing coils, targeted gel memory foam, and cushioning specialty gel foams deliver full-body support, while the antibacterial soft-knit cover... more

California King Extra Firm 12" Innerspring Mattress - Sealy Tight Top Sofa Bed & Box Spring 84.0 H x 72.0 W 12.0 D | King/9" Wayfair 42728362

This mattress upgrades Posturepedic® Spring mattresses with our most rigorously tested materials. Motion-reducing coils, targeted gel memory foam, and cushioning specialty gel foams deliver full-body support, while the antibacterial soft-knit cover... more

California King Firm 12" Gel/Foam Mattress - Wayfair Sleep™ Gel Memory Foam 83.0 H x 71.0 W 12.0 D | 4C151848352C4A62B8C7F8F0C6B88C78

Get responsive and supportive comfort with the 12” Firm Gel Memory Foam Mattress. This mattress has a top layer of latex-like foam that keeps you sleeping on top of your mattress instead of sinking into it and provides more responsive comfort.... more

King Firm 12.75" Hybrid Mattress - Signature Design by Ashley 79.0 H x 75.0 W 14.0 D | Wayfair M628M4

Rise to new heights and get the sleep you've always dreamed of with a hybrid mattress and power base offering adjustable head and foot positioning. High-density foam provides the firmness you love. Gel memory foam provides restorative support for... more

King Firm 12.75" Hybrid Mattress - Signature Design by Ashley 79.0 H x 75.0 W 14.0 D | Wayfair M628M4

Rise to new heights and get the sleep you've always dreamed of with a hybrid mattress and power base offering adjustable head and foot positioning. High-density foam provides the firmness you love. Gel memory foam provides restorative support for... more

King Firm 12" Memory Foam Mattress - Luxury Solutions 80.0 H x 76.0 W 12.0 D | Wayfair 35602-00881-WF

Reward yourself and upgrade your sleep experience with this upscale mattress. Manufactured with high-quality foam, this mattress is ready to use within minutes of delivery. Mattress Size: King | King Firm 12" Memory Foam Mattress - Luxury Solutions... more

King Firm 12" Memory Foam Mattress - Alwyn Home Dooley Hybrid Queen Size Mattress, | Wayfair 29BBFFAA7E4C4BED8ED3DDD8C419B70B

The Queen-size medium-firm Hybrid mattress designed with multi-layer foam and independent spring support system ensures that offers you targeted support on the shoulder, back, and neck, creating a zero-pressure sleep environment, and relaxing your... more

King Firm 12" Hybrid Mattress - The Twillery Co.® Griggs 12-Inch Medium EuroTop Breathable Mattress, Compatible w/ Adjustable Bed 80.0 H x 76.0 W 12.0 D | Wayfair

This mattress has pocket springs. With their independent springs that minimize motion transfer and provide body pressure relief, Pocket mattresses are a great option for almost anyone. Even lovers of memory foam or other foam mattresses can benefit... more

California King Firm 12" Gel/Foam Mattress - The Twillery Co.® Gel Memory Foam 84.0 H x 72.0 W 12.0 D | Wayfair EDB82CF398FB48E5919F1044A6062645

This 12" thick mattress features a tight top and low-motion transfer, so it's designed to let you stay asleep even if your partner tosses and turns. Two layers of firm gel memory foam provide a firm foundation and a breathable design to help cool... more

King Firm 12" Memory Foam Mattress - Signature Design by Ashley Chime 79.0 H x 75.0 W 12.0 D | Wayfair M72741

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

King Medium 12" Hybrid Mattress - Alwyn Home Plinio 80.0 H x 76.0 W 12.0 D | Wayfair BA07143C328D48FABA38BAE448CAC667

12'' medium firm memory foam hybrid mattress is designed to combine with individual pocket springs and comfort memory foam layers, which provides ultimate comfort and outstanding support. Cooling gel memory foam slowly adjusts to body weight and... more

California King Firm 12" Memory Foam Mattress - Signature Design by Ashley Serena Ultra Plush 83.46 H x 72.05 W 12.0 D | Wayfair M59351

When it comes to your comfort, discover the ultra-plush 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... more

King Firm 16" Foam Mattress - Alwyn Home Alibi 12-Inch Medium Cooling EuroTop Pocket Coil Bed | King/Low Profile (4") Wayfair

This mattress has springs with independent springs that minimize motion transfer and provide body pressure relief, Pocket mattresses are a great option for almost anyone. Even lovers of memory foam or other foam mattresses can benefit from Pocket... more

King Firm 20" Foam Mattress - Alwyn Home Alibi 12-Inch Medium Cooling EuroTop Pocket Coil Bed | Standard Profile (8")/King Wayfair

This mattress has springs with independent springs that minimize motion transfer and provide body pressure relief, Pocket mattresses are a great option for almost anyone. Even lovers of memory foam or other foam mattresses can benefit from Pocket... more

King Firm 12" Memory Foam Mattress - Crystli Medium-Firm Pillow Top Hybrid w/ CertiPUR-US® Certified 80.0 H x 76.0 W 12.0 D | Wayfair

Thanks to its breathable design, this mattress can provide excellent stress relief and comfortable sleep, which can help you avoid overheating at night. Give you pure sleep satisfaction, allowing you to reach your best condition every day. The 3D... more

King Firm 16" Hybrid Mattress - The Twillery Co.® Kurtz 12-Inch Medium EuroTop Single Sided w/ Split Box Spring 80.0 H x 76.0 W 16.0 D Wayfair

Enjoy the sweetest dreams possible with this box spring ultra plush memory foam mattress with its Euro top, which is firmer around the edges and softer in the center. With its independent springs that minimize motion transfer and provide body... more

King Medium Firm 12" Gel/Foam Mattress - Dynasty 10 Inch CoolBreeze Gel RV Bed for Campers Trailers 80.0 H x 72.0 W 12.0 D | (72"x 80") Wayfair

Wake up ready to take on the open road with a full night's sleep with Dynasty Mattress's CoolBreeze Gel Memory Foam Mattress in the RV. Designed with a high-density foam core, this mattress cover provides instant comfort and lasting support for all... more

Medium Firm 12" Gel/Foam Mattress - Dynasty 10 Inch CoolBreeze Gel RV Bed for Campers Trailers 75.0 H x 72.0 W 12.0 D | Short King (72"x75") Wayfair

Wake up ready to take on the open road with a full night's sleep with Dynasty Mattress's CoolBreeze Gel Memory Foam Mattress in the RV. Designed with a high-density foam core, this mattress cover provides instant comfort and lasting support for all... more

King Firm 12" Gel/Foam Mattress - Alwyn Home Gastonville Gel Memory Foam & Pressure Relief Medium 80.0 H x 76.0 W 12.0 D | Wayfair

Cradling Comfort: The Alwyn Home 12-inch full-size mattress features 8 layers of premium memory foam, gel memory foam, and innerspring that provide lasting comfort and support, atop your mattress fully adapts to your unique body shape and relieves... more

California King Firm 12" Gel/Foam Mattress - Crafted Sleep Two-Sided Gel Memory Foam 84.0 H x 72.0 W 12.0 D | 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

King Firm 12" Gel/Foam Mattress - Crafted Sleep Two-Sided Gel Memory Foam 80.0 H x 76.0 W 12.0 D | Wayfair XBXCFT12FCHK

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

King Firm 12" Hybrid Mattress - Alwyn Home Hourani Pillow Top Medium | Wayfair 96FDFE40E7704DC5A6B4D07CE79F0755

A comfortable and healthy sleeping environment needs to start with choosing a high-quality mattress. This 12'' medium firm hybrid mattress is designed to combine with individual pocket springs and comfort memory foam layers, which provides ultimate... more

California King Firm 12" Hybrid Mattress - Wayfair Sleep™ Sleep 84.0 H x 72.0 W 12.0 D | 9E4F761889E849F6AA58F1F8F4E5DE36

Set the stage for a good night’s sleep with the Wayfair Sleep 12” firm hybrid mattress. It features memory foam infused with gel to ensure a cooler, more comfortable sleep. The individually pocketed springs are soundless, and comfy, and limit motion... more

King Firm 12" Gel/Foam Mattress - Slumber Solutions Renew Gel Memory Foam 80.0 H x 76.0 W 12.0 D | Wayfair 35602-04404-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 - Slumber Solutions Renew Gel Memory Foam 84.0 H x 72.0 W 12.0 D | Wayfair 35602-04405-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

King Firm 12" Gel/Foam Mattress - Slumber Solutions Renew Gel Memory Foam Set 80.0 H x 76.0 W 12.0 D | Wayfair 35602-04404-WFS

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... more

California King Firm 12" Foam Mattress - The Twillery Co.® Marcela Hybrid Cooling Fast Responding Latex & Coil 84.0 H x 72.0 W 12.0 D in brown | Wayfair

Experience ultimate comfort on the Marcela 12" Hybrid Mattress. The 6 layer craftsmanship features a breathable, cooling Blue Ice Yarn knit cover, Cooling Copper Infused Memory Air Foam, fast-responding, hypoallergenic Talalay Latex Foam,... more

King Firm 12" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam 80.0 H x 76.0 W 12.0 D | Wayfair 35602-03490-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 12" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam 84.0 H x 72.0 W 12.0 D | 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

King Firm 12" Gel/Foam Mattress - The Twillery Co.® Powhattan 12-Inch Gel Soft Mattress, Standard Size, Breathable, Zippered Cover | Wayfair

This 8" mattress has a tight top, edge support, and low-motion transfer, so it's designed to let you stay asleep, even if you or your partner toss and turn. With layers of gel memory foam, this mattress offers a firm feel, so it's great for those... more

California King Firm 12" Gel/Foam Mattress - The Twillery Co.® Potrero 12-Inch Gel Air Foam Standard Size, Breathable, Zip-off Cover, Low Motion Transfer 84.0 H x 72.0 W 12.0 D | Wayfair

This 8" mattress has a tight top, edge support, and low-motion transfer, so it's designed to let you stay asleep, even if you or your partner toss and turn. With layers of gel memory foam, this mattress offers a firm feel, so it's great for those... more

King Firm 12" Gel/Foam Mattress - The Twillery Co.® Potrero 12-Inch Gel Air Foam Standard Size, Breathable, Zip-off Cover, Low Motion Transfer 80.0 H x 60.0 W 12.0 D | Wayfair

This 8" mattress has a tight top, edge support, and low-motion transfer, so it's designed to let you stay asleep, even if you or your partner toss and turn. With layers of gel memory foam, this mattress offers a firm feel, so it's great for those... more

California King Firm 12" Gel/Foam Mattress - Wade Logan® Ardean 12-Inch Hybrid Reactive Medium Soft Gel Memory Foam Mattress, Breathable, Zipper System 84.0 H x 72.0 W 12.0 D | Wayfair

The 12” hybrid reactive mattress contains a revolutionary foam that provides a buoyant push-back similar to a latex-like material. This top layer, made of 1.7” reactive foam, complements the base layer, offering the support of a firm mattress... more

California King Firm 12" Gel/Foam Mattress - Wade Logan® Ardean 12-Inch Hybrid Reactive Medium Soft Gel Memory Foam Mattress, Breathable, Zipper System 84.0 H x 72.0 W 12.0 D | Split Wayfair

The 12” hybrid reactive mattress contains a revolutionary foam that provides a buoyant push-back similar to a latex-like material. This top layer, made of 1.7” reactive foam, complements the base layer, offering the support of a firm mattress... more

King Firm 12" Gel/Foam Mattress - Wade Logan® Ardean 12-Inch Hybrid Reactive Medium Soft Gel Memory Foam Mattress, Breathable, Zipper System 80.0 H x 76.0 W 12.0 D | Wayfair

The 12” hybrid reactive mattress contains a revolutionary foam that provides a buoyant push-back similar to a latex-like material. This top layer, made of 1.7” reactive foam, complements the base layer, offering the support of a firm mattress... more

King Firm 12" Gel/Foam Mattress - Wade Logan® Ardean 12-Inch Hybrid Reactive Medium Soft Gel Memory Foam Mattress, Breathable, Zipper System 80.0 H x 76.0 W 12.0 D | Split Wayfair

The 12” hybrid reactive mattress contains a revolutionary foam that provides a buoyant push-back similar to a latex-like material. This top layer, made of 1.7” reactive foam, complements the base layer, offering the support of a firm mattress... more

Queen Medium Firm 12" Gel/Foam Mattress - Alwyn Home Plush Gel Memory Foam 80.0 H x 76.0 W 12.0 D | King Wayfair 79FFAB3A884B43089370E7C3225F96CC

Features:Allow 24-72 hours for your mattress to return to its full shape. Any memory foam will expand faster in a warmer room. In cold temperatures, your mattress may take a little longer to return to full size from its compressed state. Mattress... more