Furniture › Bedroom Furniture › Mattresses & Boxsprings › Twin Extra Long › 12 inches king size gel

Twin XL 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

Twin XL Firm 12" Gel/Foam Mattress - RELYMATRE Medium Gel Memory Foam | 80 H x 39 W 12 D in Wayfair RE-MSTWXL0112

The 12-inch Memory Foam Hybrid Mattress is the perfect combination of soft and firm. It ensures that your body weight is evenly distributed and your spine is naturally aligned. Enjoy a restful night's sleep whether you're lying on your back, side or... more

Twin XL Medium 12" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam w/ Adjustable Base | 80 H x 38 W 12 D in Wayfair 35602-04648-WFA

These mattresses are manufactured with gel memory foam and an adjustable foundation! Premium upscale gel memory foam mattress with an adjustable foundation for personalized comfort. Mattress Size: Extra-long Twin | Twin XL Medium 12" Gel/Foam Mattress... more

Twin XL Medium 12" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam w/ Adjustable Base | 80 H x 38 W 12 D in Wayfair 35602-04648-WFA

These mattresses are manufactured with gel memory foam and an adjustable foundation! Premium upscale gel memory foam mattress with an adjustable foundation for personalized comfort. Mattress Size: Extra-long Twin | Twin XL Medium 12" Gel/Foam Mattress... more

Twin XL Medium 12" Gel/Foam Mattress - Alwyn Home Daya Gel Memory Foam | 80 H x 38 W 12 D in Wayfair 512D6DBAF5D2426C88EC8D930A316FA4

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: Extra Long Twin | Twin XL Medium 12" Gel/Foam Mattress - Alwyn Home Daya... more

Twin XL Medium 12" Hybrid Mattress - Alwyn Home Rohando Sofa Bed Mattress, Polyester | 80 H x 38 W 12 D in Wayfair 39201CE09D3444488BA498723F651FF5

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

Twin XL Medium 12" Memory Foam Mattress - Serta Sheep Dreams | 79.5 H x 39 W 12 D in Wayfair 500772148-1020

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

Twin XL Extra Firm 12" Mattress - Serta Perfect Sleeper Oasis Sleep | 79.5 H x 39 W 12 D in Wayfair 500108781-1020

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support. Mattress Size:... more

Twin XL Firm 12" Mattress - Serta Perfect Sleeper Nurture Night | 79.5 H x 39 W 12 D in Wayfair 500302421-1020

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support. Mattress Size:... more

Twin XL Medium 12" Hybrid Mattress - Serta Perfect Sleeper Pacific Peace | 79.5 H x 39 W 12 D in Wayfair 500108881-1020

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support. Mattress Size:... more

Twin XL Firm 12" Hybrid Mattress - Serta Perfect Sleeper Pacific Peace | 79.5 H x 39 W 12 D in Wayfair 500108981-1020

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support. Mattress Size:... more

Twin XL Memory Foam Mattress - Rubbermaid Soft Sofa Bed | Extra-long Wayfair m4555

This folding mattress has 1 inch gel memory foam and 3 inch supportive foam, which craddles your body but still gives the support you need, a perfect combination of comfort, convenience and durability. Mattress Size: Extra-long Twin | Twin XL Memory... more

Twin XL Memory Foam Mattress - Rubbermaid Soft Sofa Bed | Extra-long Wayfair m4555

This folding mattress has 1 inch gel memory foam and 3 inch supportive foam, which craddles your body but still gives the support you need, a perfect combination of comfort, convenience and durability. Mattress Size: Extra-long Twin | Twin XL Memory... more