Furniture › Bedroom Furniture › Foam Mattresses › 12 w x 12 h

California King 12" Memory Foam Mattress - Leesa Legend Plush | 84 H x 72 W 12 D in Wayfair LELEHY67

Leesa's Legend mattress is a dual-spring hybrid, featuring two spring units totaling 1, 700+ springs plus extra layers of plush comfort and support foams. Designed for sustainability, the Legend mattress cover is made with a blend of 100% organic... more

Twin 12" Foam Mattress - Bedgear Luxury Sport Xtreme Performance Instant Cooling by Ver-Tex Technology | 75 H x 39 W 12 D in Wayfair BGA012901

Our plushest feel yet. The Luxury Sport Xtreme Performance Mattress is a luxurious memory foam mattress that is made to keep you cool while sleeping. With our exclusive, instant cooling fabric and breathable mesh for continuous airflow, the Luxury... more

Twin 12" Memory Foam Mattress - Tempur-Pedic TEMPUR ProAdapt Plush | 80 H x 38 W 12 D in Wayfair 10738120

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

Twin Medium 12" Foam Mattress - Alwyn Home Felsenthal Tight Top | 75 H x 39 W 12 D in Wayfair FC219C501E0F474BA71FF57A71DB1BCB

Medium hard two layer cooling gel memory foam mattress support and comfortable sleep. The two-layer memory foam mattress provides a contour for the sleeper, helps to adjust the temperature, and promotes better sleep with head to foot comfort. Provide... more

Twin Firm 12" Memory Foam Mattress - Luxury Solutions | 75 H x 38 W 12 D in Wayfair 35602-00878-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: Twin | Twin Firm 12" Memory Foam Mattress - Luxury Solutions |... more

Twin 12" Memory Foam Mattress - Leesa Legend Plush | 80 H x 38 W 12 D in Wayfair LELEHY33XL

Leesa's Legend mattress is a dual-spring hybrid, featuring two spring units totaling 1, 700+ springs plus extra layers of plush comfort and support foams. Designed for sustainability, the Legend mattress cover is made with a blend of 100% organic... more

Queen 12" Memory Foam Mattress - Leesa Legend Plush | 74 H x 60 W 12 D in Wayfair LELEHY50

Leesa's Legend mattress is a dual-spring hybrid, featuring two spring units totaling 1, 700+ springs plus extra layers of plush comfort and support foams. Designed for sustainability, the Legend mattress cover is made with a blend of 100% organic... more

Twin Firm 12" Memory Foam Mattress - Tempur-Pedic TEMPUR-ProAdapt | 74 H x 38 W 12 D in Wayfair 10736110

Continuous innovation for continuous comfort. The TEMPUR-ProAdapt® Firm 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 Firm 12" Gel/Foam Mattress - Wayfair Sleep™ Gel Memory Foam | 83 H x 71 W 12 D in 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

Full Firm 12" Gel/Foam Mattress - Spinal Solution 12-Inch Hybrid Gel w/ Moisture Wicking, Cooling System, Breathable | 74 H x 54 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

Twin Medium 12" Memory Foam Mattress - Sealy to Go 12” in a Box | 75 H x 39 W 12 D Wayfair F03-00086-TW0

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

Twin Medium 12" Memory Foam Mattress - Sealy to Go 12” in a Box | 80 H x 39 W 12 D Wayfair F03-00086-TX0

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 - Sealy Cool w/ CopperChill Technology in Brown | 84 H x 72 W 12 D 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

Twin 12" Foam Mattress - Alwyn Home Brand Soft Pillowtop & Low Height Box Spring Set (twin 39"x75"x12") Double-sided Sleep System w/ Enhanced Cushion Support | 80 H x 76 W 12 D in Wayfair

Product details: double-sided pillow-top/bottom quilted with Polly foam interior reversible for long-term comfort, pillowtop height (approximately) - 2.5” order includes: dream solutions brand two-sided mattress matching low 5" height box spring note:... more

Twin Medium 12" Memory Foam Mattress - Sealy Cool w/ CopperChill Technology in Brown | 80 H x 39 W 12 D Wayfair F03-00129-TX0

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

Twin 12" Foam Mattress - Alwyn Home Brand Soft Pillowtop & Low Height Box Spring Set (twin 39"x75"x12") Double-sided Sleep System w/ Enhanced Cushion Support | 80 H x 60 W 12 D in Wayfair

Product details: double-sided pillow-top/bottom quilted with Polly foam interior reversible for long-term comfort, pillowtop height (approximately) - 2.5” order includes: dream solutions brand two-sided mattress matching low 5" height box spring note:... more

King 12" Foam Mattress - Alwyn Home Dream Solutions Pillow Top & Box Spring Set (king) Double-sided Sleep System w/ Enhanced Cushion Support- Fully Assembled | 80 H x 76 W 12 D in Wayfair

Looking for a more restful night’s sleep? Choose an Alwyn Home Brand Two-Sided King Size Mattress and Box Spring Set and enjoy true relaxation. After a long day’s work, you want to crawl into bed and let your worries, stress, and aches drift away as... more

Twin Medium 12" Memory Foam Mattress - Sealy Cool w/ CopperChill Technology in Brown | 75 H x 39 W 12 D Wayfair F03-00129-TW0

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 in Brown | 80 H x 76 W 12 D 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

Twin Medium 12" Memory Foam Mattress - Casper Sleep Snow Hybrid w/ Cooling Technology | 84 H x 76 W 12 D in Wayfair 950-000137-002

Experience the snow, casper's most loved mattress is now re-engineered with the latest cooling features. Snow technology uses heat delete bands, phase change material, and a cool touch cover to keep you 5 degrees cooler all night. Breathable open-cell... more

Full 12" Foam Mattress - Alwyn Home Brand Soft Pillowtop & Low Height Box Spring Set (twin 39"x75"x12") Double-sided Sleep System w/ Enhanced Cushion Support | 75 H x 54 W 12 D in Wayfair

Product details: double-sided pillow-top/bottom quilted with Polly foam interior reversible for long-term comfort, pillowtop height (approximately) - 2.5” order includes: dream solutions brand two-sided mattress matching low 5" height box spring note:... more

Queen Medium 12" Memory Foam Mattress - Sealy Cool w/ CopperChill Technology in Brown | 80 H x 60 W 12 D Wayfair F03-00129-QN0

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

Queen Medium 12" Foam Mattress - Chevni Hybrid Pocket Spring w/ CertiPUR-US Certified | 80 H x 60 W 12 D in Wayfair Chevni002-Q

Chevni memory foam hybrid mattress provides soft comfort and quality support through pocket springs. The pocket spring base combined with memory foam ensures adequate support for the back, hips, and neck. The high-quality Gel memory foam conforms to... more

Twin 12" Gel/Foam Mattress - Linenspa Essentials 12 In. Plush Gel Memory Foam Hybrid | 84 H x 72 W D in Wayfair LSES12TXGFSP

Settle in for a great night’s sleep with the Linenspa Essentials 12-inch Gel Memory Foam Hybrid Mattress. This cozy mattress has a plush feel that side and back sleepers will love and a hybrid mattress design that provides the perfect combination of... more

Queen Firm 12" Memory Foam Mattress - Luxury Solutions | 80 H x 60 W 12 D in Wayfair 35602-00880-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: Queen | Queen Firm 12" Memory Foam Mattress - Luxury Solutions |... more

Twin Medium 12" Memory Foam Mattress - Wayfair Sleep™ | 75 H x 38 W 12 D in 5595BF1789204D33A1B6B5E053F09F81

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

Queen Firm 12" Gel/Foam Mattress - Nap Elizabeth, Cooling Gel Infused Memory Foam Mattress, Multiple Sizes | 80 H x 60 W 12 D in Wayfair NQ721231

21st-Century Sleep: Get serious about sleeping with a queen-sized bed from NapQueen. Take the pressure off of sore joints, vertebrae, and muscles with memory foam. Banish heat with cooling gel and optimize your sleep temperature. If you're sleeping on... more

Twin 12" Memory Foam Mattress - Tempur-Pedic TEMPUR ProAdapt Plush | 74 H x 38 W 12 D in Wayfair 10738110

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

Full Medium 12" Memory Foam Mattress - Tempur-Pedic TEMPUR ProAdapt | 74 H x 53 W 12 D in Wayfair 10737130

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

Twin Firm 12" Foam Mattress - Brooklyn Bedding | 80 H x 60 W 12 D in Wayfair WS12F33-T

Whether you're a spreader, a curler, or somewhere in between, this 12'' innerspring mattress is here to help you get the rest you deserve. This mattress is crafted with a pocket coil design for a little extra orthopedic support, while the quilted,... more

King Firm 12" Foam Mattress - The Twillery Co.® Marcela Hybrid Cooling Fast Responding Latex & Coil in Brown | 80 H x 76 W 12 D 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, high-density... more

Queen Medium 12" Memory Foam Mattress - Alwyn Home Moreno Charcoal Infused | 80 H x 60 W 12 D in Wayfair 265D567AC5394FE9B42577025369FE65

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

King Medium 12" Gel/Foam Mattress - Gel Memory Foam & Box Spring ComforPedic Loft from Beautyrest | 80 H x 76 W 12 D in 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 ComforPedic Loft from Beautyrest | 80 H x 76 W 12 D in 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

12" Memory Foam Mattress - Camper Sleep Plush Graphite Infused Travel Bed | 75 H x 48 W 12 D in Wayfair CS-12RAM -48x75

Let us help make your adventure comfortable. Our Mattresses are perfect for Home, RV, Camper, Bunk, Truck Bed, Cabin Sleeper, Homecare Beds, Antique Beds and much more. The 12” Rambler is made up of a 4lb. Carbon Cooling Memory Foam Top Layer,... more

King 12" Gel/Foam Mattress - O By Neven Allume Plush Charcoal Infused Gel Memory Foam | 80 H x 76 W 12 D in Wayfair 10044-OM-12A-KG

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 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

Full Firm 12" Gel/Foam Mattress - Best Choice Products 12in King Size 2-Layer Medium-Firm Charcoal Gel & Green Tea Infused Memory Foam | 75 H x 54 W 12 D in 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