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California King Firm 12" Gel/Foam Mattress - Blissful Nights Two-Sided Medium & Gel Memory Foam 84.0 H x 72.0 W 12.0 D | 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

Full Firm 12" Gel/Foam Mattress - Best Choice Products 12in King Size 2-Layer Medium-Firm Charcoal Gel & Green Tea Infused Memory Foam 75.0 H x 54.0 W 12.0 D Wayfair

Features:MOISTURE-WICKING CHARCOAL GEL: Bamboo charcoal and gel-infused memory foam helps eliminate odors, regulate temperature, and absorb moisture to inhibit airborne irritantsANTI ODOR GREEN TEA LAYER: All natural green tea infused memory foam... more

King Medium 12" Gel/Foam Mattress - Lucid Comfort Collection Gel Memory Foam & Bed Frame 80.0 H x 76.0 W 12.0 D | Wayfair LUCC12KK45MF14FP

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

12-inch Memory Foam Medium Firm Innerspring Mattress,Full Queen King Size Optional

12-inch memory foam hybrid mattress with the most cost-effective, which meets most people's sleeping needs. Dreamy comfort at an unbeatable price. Kescas is reimagining sleep from the ground up. more

CALIFORNIA KING SIZE- Tranquility 12" Medium Pillow-Top Memory Foam Edge Support Pocket Spring Premium Hybrid Mattress

Durability and Longevity: We use natural fire barriers instead of harsh chemicals, and all of our foams are CertiPUR-US® and OEKO-TEX® Certified ensuring no harmful off-gassing, VOCs or harmful toxins interrupt your sleep. more

KING SIZE- Tranquility 12" Medium Pillow-Top Memory Foam Edge Support Pocket Spring Premium Hybrid Mattress

Durability and Longevity: We use natural fire barriers instead of harsh chemicals, and all of our foams are CertiPUR-US® and OEKO-TEX® Certified ensuring no harmful off-gassing, VOCs or harmful toxins interrupt your sleep. more

King Firm 12" Gel/Foam Mattress - Blissful Nights Two-Sided Medium & Gel Memory Foam 80.0 H x 76.0 W 12.0 D | Wayfair 12SWITCH-EK

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

King Firm Gel/Foam Mattress - Blissful Nights Two-Sided 12" Medium & Gel Memory Foam | Split Wayfair SB-MT-ISWITCH-6/6split

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

12-inch Memory Foam Medium Firm Innerspring Mattress,Full Queen King Size Optional

12-inch memory foam hybrid mattress with the most cost-effective, which meets most people's sleeping needs. Dreamy comfort at an unbeatable price. Kescas is reimagining sleep from the ground up. more

CALIFORNIA KING SIZE- Hopewell 12" Medium Cooling Gel Memory Edge Support Pocket Spring Removable Cover Hybrid Mattress

Ultimate Support: A 7-inch pocket coil system, orthopedic foam, and high-density support foam for superior pressure relief, impeccable body and spinal alignment, and unparalleled support. more

6-inch Thick Medium Firm Cool Gel Memory Foam Mattress

Specification : Color: White Product Dimensions: Full: ‎‎11.02 x 11.02 x 55.12 inches King Size: ‎14.57 x 14.96 x 41.73 inches Queen Size: 11.02 x 11.02 x 61.02 inches Twin: 11.02 x 11.02 x 40.16 inches Product Weight: Full: 28lbs. King: 43lbs. more

6-inch Thick Medium Firm Cool Gel Memory Foam Mattress

Specification : Color: White Product Dimensions: Full: ‎‎11.02 x 11.02 x 55.12 inches King Size: ‎14.57 x 14.96 x 41.73 inches Queen Size: 11.02 x 11.02 x 61.02 inches Twin: 11.02 x 11.02 x 40.16 inches Product Weight: Full: 28lbs. King: 43lbs. more

6-inch Thick Medium Firm Cool Gel Memory Foam Mattress

Specification : Color: White Product Dimensions: Full: ‎‎11.02 x 11.02 x 55.12 inches King Size: ‎14.57 x 14.96 x 41.73 inches Queen Size: 11.02 x 11.02 x 61.02 inches Twin: 11.02 x 11.02 x 40.16 inches Product Weight: Full: 28lbs. King: 43lbs. more

6-inch Thick Medium Firm Cool Gel Memory Foam Mattress

Specification : Color: White Product Dimensions: Full: ‎‎11.02 x 11.02 x 55.12 inches King Size: ‎14.57 x 14.96 x 41.73 inches Queen Size: 11.02 x 11.02 x 61.02 inches Twin: 11.02 x 11.02 x 40.16 inches Product Weight: Full: 28lbs. King: 43lbs. more

King Medium 12" Hybrid Mattress - Wayfair Sleep™ Pillow Top 79.0 H x 75.0 W 12.0 D | FC66CC456E034896A0991B6D9E056D14

Sometimes all you want to do at the end of a long day is flop down in bed and snooze - we get it. That's what this 12" medium hybrid mattress is here to help you do: Crafted with both pocket coils and gel memory foam, it's perfect for giving you the... more

California King Medium 12" Memory Foam Mattress - Sealy to Go 12” | Wayfair F03-00086-CK0

Sealy foam mattresses use a combination of advanced foams to deliver custom body-hugging support for every part of your body. The carefully layered foams conform to your shape, distributing your weight evenly to relieve pressure points so you wake up... more

King Medium 12" Memory Foam Mattress - Sealy to Go 12” | Wayfair F03-00086-KG0

Sealy foam mattresses use a combination of advanced foams to deliver custom body-hugging support for every part of your body. The carefully layered foams conform to your shape, distributing your weight evenly to relieve pressure points so you wake up... more

California King Medium 12" Memory Foam Mattress - Wayfair Sleep™ 84.0 H x 72.0 W 12.0 D | 3ED3E35F83E54C2DBEE33F00DB5156EC

Whether you're settling in for an afternoon nap or drifting off for a good night's rest, this mattress is here to help you get the sleep you need. Crafted from layers of memory foam, it features medium firmness and a breathable design to help keep you... more

King Medium 12" Memory Foam Mattress - Zinus 80.0 H x 76.0 W 12.0 D | Wayfair SM-M-FMS-1200K

There’s no comfort quite like the kind you get from a big hug. The Ultima Memory Foam Mattress delivers just that - enveloping comfort that fits your shape like a glove to soothe you to sleep. Created with a special blend of high-quality foam layers,... more

California King Medium 12" Gel/Foam Mattress - Comforpedic From Beautyrest NRGel Memory Foam 84.0 H x 72.0 W 12.0 D | Wayfair 35602-03582-WF

Surround yourself with luxury with the Comforpedic From Beautyrest 12" Medium NRGel Memory Foam Mattress. Manufactured from next-generation NRGel memory foam that offers a unique combination of conformance and resilience for a deeper, more restorative... more

California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set 84.0 H x 72.0 W 12.5 D | King/5 Wayfair

This 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 you cool, and the... more

California King Medium 12" Hybrid Mattress - Tuft & Needle Mint Medium-Plush 83.25 H x 72.0 W 12.0 D, Ceramic | Wayfair 910810316-8070

Offering the best of both worlds, our mint hybrid mattress combines our contouring foam with individually wrapped springs for softness, support, and a little bit of bounce. It's also designed to help you sleep cool, thanks to black diamond memory foam,... more

California King Medium 12" Hybrid Mattress - Wayfair Sleep™ Pillow Top 83.0 H x 71.0 W 12.0 D | ECF270052B1B46F79ECF76935C3977C8

Sometimes all you want to do at the end of a long day is flop down in bed and snooze - we get it. That's what this 12" medium hybrid mattress is here to help you do: Crafted with both pocket coils and gel memory foam, it's perfect for giving you the... more

King Medium 12" Hybrid Mattress - Sealy To Go | Wayfair F03-00088-KG0

The mattress is designed to give you the best of both worlds. The unique combination of two innovative comfort technologies provides universal comfort and support for each unique preference and body type. Premium memory foam conforms and responds to... more

California King Medium 12" Memory Foam Mattress - Sealy Cool w/ CopperChill Technology 84.0 H x 72.0 W 12.0 D in brown | Wayfair F03-00129-CK0

Sealy foam mattresses use a combination of advanced foams to deliver custom body-hugging support for every part of your body. Our carefully layered foams conform to your shape, distributing your weight evenly to relieve pressure points so you wake up... more

King Medium 12" Memory Foam Mattress - Sealy Cool w/ CopperChill Technology 80.0 H x 76.0 W 12.0 D in brown | Wayfair F03-00129-KG0

Sealy foam mattresses use a combination of advanced foams to deliver custom body-hugging support for every part of your body. Our carefully layered foams conform to your shape, distributing your weight evenly to relieve pressure points so you wake up... more

California King Medium 12" Memory Foam Mattress - Charcoal infused 84.0 H x 72.0 W 12.0 D ComforPedic Loft from Beautyrest | 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

King Medium 12" Gel/Foam Mattress - Gel Memory Foam & Box Spring 80.0 H x 76.0 W 12.0 D ComforPedic Loft from Beautyrest | Wayfair 35602-04770-WFS

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

King Medium 12" Gel/Foam Mattress - Gel Memory Foam 80.0 H x 76.0 W 12.0 D ComforPedic Loft from Beautyrest | Wayfair 35602-04770-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

California King Medium 12" Gel/Foam Mattress - Alwyn Home Daya Gel Memory Foam 84.0 H x 72.0 W 12.0 D | 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 Medium 12" Hybrid Mattress - Sealy Cool w/ CopperChill Technology 84.0 H x 72.0 W 12.0 D in brown | Wayfair F03-00131-CK0

Sealy was among the first to create the hybrid, pairing the best qualities of innerspring and memory foam mattresses to deliver best-of-both-worlds comfort. Carefully engineered coils adapt and support every part of your body, while specialty foams... more

California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top 84.0 H x 72.0 W 12.5 D | Wayfair 52952562

This 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 you cool, and the... more

King Medium 12" Hybrid Mattress - Sleep Inc. Solutions 79.0 H x 75.0 W 12.0 D | Wayfair S70512E-1060

Get total comfort at a cozy price with the Sleep Inc. Sleep Solutions 12" Hybrid Mattress. Sleep Inc. hybrid mattresses combine cradling cool gel memory foam with traditional innerspring to give you the support you are used to with the pressure relief... more

King Medium 12" Hybrid Mattress - Wayfair Sleep™ Sleep USA Made 80.0 H x 76.0 W 12.0 D | 7E459B8D1201450BBFEEBB21811F0F1A

This Wayfair Sleep 12" 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

King Medium 12" Memory Foam Mattress - Alwyn Home Murphy 80.0 H x 76.0 W 12.0 D | Wayfair E16AA31244EB47F58A3F43F1D82E8FFC

Spot clean only 100% polyester experience the pillowy soft comfort only a quilted mattress can provide cool and pressure relieving gel memory foam inside! The quilted top layer of silky soft foam and luxurious stretch knit fabric. Contoured cool, gel... 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

King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set 80.0 H x 76.0 W 12.5 D | 5/King Wayfair 42952661

This 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 you cool, and the... more

King Firm 20" Hybrid Mattress - The Twillery Co.® Kurtz 12-Inch Medium EuroTop Single Sided w/ Split Box Spring 80.0 H x 76.0 W 20.0 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 pressure... more