Furniture › Bedroom Furniture › Mattresses & Boxsprings › Twin Extra Long › 4 w x 4 h

Twin XL Firm 4.5" Memory Foam Mattress - Alwyn Home Savla Sofa Bed | 78 H x 38 W 4.5 D in Wayfair 33EE9B439F7C473DA9656311B51FB27D

Have a good night’s sleep no matter where you are looking for a cozy place to sit down and relax. A place to rest your weary head? This product comes with a super cozy, 2-in-1 folding mattress that is ultra soft and smooth giving you amazing sleep... more

Twin XL Firm 4.5" Memory Foam Mattress - Alwyn Home Savla Sofa Bed | 78 H x 38 W 4.5 D in Wayfair 33EE9B439F7C473DA9656311B51FB27D

Have a good night’s sleep no matter where you are looking for a cozy place to sit down and relax. A place to rest your weary head? This product comes with a super cozy, 2-in-1 folding mattress that is ultra soft and smooth giving you amazing sleep... more

Twin XL Medium 10" Gel/Foam Mattress - O By Neven Nuance Gel Memory Foam | 80 H x 38 W 10 D in Wayfair 10044-OM-10N-TXL

O by Neven is a modern and affordable mattress built with your sleep needs in mind. The 10-inch Nuance from O by Neven provides comfort, adaptability, and a slimmer profile perfect for the modern sleeper. 4 unique layers make the Nuance an exceptional... more

Twin XL Firm 11" Foam Mattress - The Twillery Co.® Marcela Cooling Fast Responding Latex in Brown | 80 H x 38 W 11 D Wayfair

Experience ultimate comfort on the Marcela 11" Latex Foam Mattress. The 4 layer craftsmanship features a breathable, Bamboo Charcoal knit cover, Cooling Copper Infused Memory Air Foam, and fast-responding, hypoallergenic Talalay Latex Foam atop... more

Twin XL Medium 11" Gel/Foam Mattress - The Twillery Co.® Tamalpais Cooling GelCare Memory Foam in Brown | 80 H x 38 W 11 D Wayfair

Experience ultimate comfort on the Tamalpais 11" Memory Foam Mattress. The 4 layer craftsmanship features a breathable, Bamboo Charcoal knit cover, Cooling Copper Infused Memory Air Foam, and GelCare Comfort Foam atop high-density support foam. The... more

Twin XL 14" Foam Mattress - Brooklyn Bedding Sedona | 80 H x 38 W 14 D in Wayfair BBSD33XL

The Sedona Elite by Brooklyn bedding represents our most luxurious, handcrafted mattress —offering resort-style sleep through an exceptional pairing of premium quality foams and a proprietary, high-end coil system. The top four foam layers create an... more

Twin XL 14" Innerspring Mattress - Wayfair Sleep™ Plush Mattress, Polyester | 80 H x 38 W 14 D in 5E792E9A3EEF432A8D752CAC836272C4

This 14" thick 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. Four layers of memory foam and innerspring give it a plush feeling with a breathable, moisture-wicking... more

Twin XL 12" Innerspring Mattress - Wayfair Sleep™ Plush Mattress, Polyester | 80 H x 38 W 12 D in 3508DEA0F316424583332537D35BBB28

This 12" thick 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. Four layers of memory foam and coils give it a plush feeling with a breathable, moisture-wicking design... more

Twin XL 10" Innerspring Mattress - Wayfair Sleep™ Plush Mattress, Polyester | 80 H x 38 W 10 D in 1624C54AFFB840238A4DB4CE3A895ECC

This 10" thick mattress has a Euro top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Four layers of memory foam and pocket coils give it a plush feeling with a breathable, moisture-wicking... more

Twin XL Medium Firm 11.5" Gel/Foam Mattress - Tuft & Needle Mint Gel Foam Mattress, Ceramic | 80 H x 39 W 11.5 D in Wayfair 910810163-8020

With two sleepers in mind, we designed the mint mattress with an extra layer of patented T&N adaptive foam technology and reinforced support edges. These provide personalized softness, medium-firm support, and heat regulation for deep, restful sleep.... more

Twin XL 14.5" Foam Mattress - Stearns & Foster Estate Soft Tight Top | 79 H x 38 W 14.5 D in Wayfair 53008831

Our Stearns & Foster estate collection takes comfort to the next level, featuring our tempur-indulge memory foam for enhanced pressure relief and our exclusive Intellicoil innerspring for added support—all night long. Mattress Size: Extra-long Twin |... more

Twin XL Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42950631

Featuring trusted Sealy quality with targeted back and core support, a reinforced edge for increased durability, and an antibacterial soft knit cover that wicks away moisture and keeps the mattress protected. Medium feel. Box Spring Height: 5, Mattress... more

Twin XL Firm 13" Mattress - Brooklyn Bedding Plank Luxe Two Sided Firm/Ultra w/ Cooling Cover | 80 H x 38 W 13 D in Wayfair BBPLHYCT33XL

The flippable Plank Luxe is designed to be the firmest mattress on the market—pairing all of the benefits of the original Plank with the additional responsiveness and pressure point relief of individually encased coils. Put simply, the construction of... more

Twin XL 14" Mattress - Ernest Hemingway Crusade Euro Pillow Top | 80 H x 39 W 14 D in Wayfair 743M-3X

Elevate your sleep to a luxurious reward night after night. As a part of our most sophisticated Inspired Ernest Hemmingway collection offers up the most support where your body needs it the most. With help from all-natural materials, this collection... more

Twin XL Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top & Box Spring Set | 80 H x 38 W 11 D in Wayfair 42952431

This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with an ultra firm feel. A reinforced edge improves durability, while cover treatments help to keep you cool,... more

Twin XL Medium 14" Gel/Foam Mattress - Gel Memory Foam ComforPedic Loft from Beautyrest | 80 H x 38 W 14 D in Wayfair 35602-04785-WF

Elevate your sleep experience with the Comforpedic Loft from Beautyrest 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... more

Twin XL Medium 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top | 80 H x 38 W 15 D in Wayfair 52953531

This Euro Pillow Top 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... more

Twin XL Firm 14" Innerspring Mattress - Sealy Posturepedic Mill Park Faux Euro Top | 80 H x 38 W 14 D in Wayfair 52952931

This Faux Euro Top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a firm feel. A reinforced edge improves durability, while cover treatments help to keep you... more

Twin XL Firm 16" Mattress - Stearns & Foster Lux Estate Pillow Top | 79 H x 38 W 16 D in Wayfair 53019431

The Stearns & Foster Lux Estate Collection provides an elevated level of comfort and support, with the added benefit of features to help keep you cool, all night long. Mattress Size: Extra-long Twin | Twin XL Firm 16" Mattress - Stearns & Foster Lux... more

Twin XL Medium 14.25" Innerspring Mattress - Beautyrest Black L-Class Pillow Top | 79.5 H x 83.5 W 14.25 D in Wayfair 700811473-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black L-Class 14.25" Medium Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With help from... more

Twin XL 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42951131

An upgraded spring mattress with motion-reducing encased coils targeted back and core support and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool and your mattress protected. Soft feel. Mattress... more

Twin XL 12" Gel/Foam Mattress - Slumber Solutions Respond NRGel Memory Foam | 80 H x 38 W 12 D in Wayfair 35602-04431-WF

This 12” Slumber Solutions Respond mattress will bring plush opulence to your nights. With 2” of our “made in the US” NRGel, you can feel the mattress gently respond to your movements. While maintaining the benefits of gel memory foam, our NRGel is a... more

Twin XL Medium 11" Memory Foam Mattress - Blissful Nights Double | 80 H x 38 W 11 D in Wayfair 11PEARL-TL

The mattress combines comfort and support with our pearl and gel-infused reactive memory foam. Our reactive foam provides a natural bounce to the foam, providing you with additional push-back support as it conforms to your sleeping position. Perfect... more

Twin XL Firm 12" Memory Foam Mattress - Builddecor | 80 H x 38 W 12 D in Wayfair miumiuB05165458

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 Firm 12" Memory Foam Mattress - Builddecor | 80 H... more

Twin XL Medium 10" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam w/ Adjustable Base | 80 H x 38 W 10 D in Wayfair 35602-04758-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 10" Gel/Foam Mattress... more

Twin XL Medium 10" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam w/ Adjustable Base | 80 H x 38 W 10 D in Wayfair 35602-04758-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 10" Gel/Foam Mattress... more

Twin XL Firm 14" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam w/ Adjustable Base | 80 H x 38 W 14 D in Wayfair 35602-04791-WFA

The Comforpedic from Beautyrest 12'' Firm Gel Memory Foam Mattress is manufactured with top-of-the-line Gel memory foam and an adjustable foundation! Certified by CertiPur, premium Gel memory foam responds and adjusts to your body to provide optimal... more

Twin XL Firm 14" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam w/ Adjustable Base | 80 H x 38 W 14 D in Wayfair 35602-04791-WFA

The Comforpedic from Beautyrest 12'' Firm Gel Memory Foam Mattress is manufactured with top-of-the-line Gel memory foam and an adjustable foundation! Certified by CertiPur, premium Gel memory foam responds and adjusts to your body to provide optimal... more

Twin XL Medium 13" Hybrid Mattress - Alwyn Home Hallee Two-Sided Mattress, Fiberglass | 80 H x 39 W 13 D in Wayfair

This flippable, natural, organic mattress is twice as nice. GREENGUARD gold-certified, this hybrid mattress is constructed using up to 1, 089 pocketed support coils with side support. The flippable, all-natural construction eliminates the need for... more

Twin XL Firm 14" Gel/Foam Mattress - ComforPedic Loft from the Beautyrest Gel Memory Foam | 80 H x 38 W 14 D in Wayfair 35602-04791-WF

Elevate your sleep experience with the ComforPedic Loft from the Beautyrest 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... more

Twin XL Medium 14" Gel/Foam Mattress - ComforPedic from Beautyrest NRGel Memory Foam | 80 H x 38 W 14 D in Wayfair 35602-04710-WF

Surround yourself with luxury with the foam mattress. Manufactured from next-generation NRGel memory foam that offers a unique combination of conformance and resilience for a deeper, more restorative sleep. It responds and adjusts to your body to... more

Twin XL Medium 14.25" Innerspring Mattress - Beautyrest Black C-Class Pillow Top Mattress, Latex | 79.5 H x 83.5 W 14.25 D in Wayfair

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black C-Class 14.25" Medium Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With help from... more

Twin XL Medium 14.25" Innerspring Mattress - Beautyrest Black L-Class Pillow Top | 79.5 H x 83.5 W 14.25 D in Wayfair 700811473-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black L-Class 14.25" Medium Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With help from... more

Twin XL Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 80 H x 38 W 12.5 D in Wayfair 42952631

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

Twin XL Medium 8" Latex Mattress - ProHeal Extra Long | 84 H x 36 W 8 D in Wayfair PH-83600AB

The ProHeal line of Alternating Pressure and Low Air Loss Hospital Mattresses are the preferred choice by clinicians and patients treating all stages of pressure sores. Bedridden patients often suffer from skin ulcers and bed sores due to extended... more

Twin XL Firm 10" Memory Foam Mattress - Ergo-Pedic Coppercloud Original Infused Medium-Firm in Brown | 80 H x 38 W 10 D Wayfair F10CPRT80

Transform your sleep with the CopperCloud Original Mattress. Infused with copper, this mattress actively pulls excess heat away from your body, resulting in a cooler and more comfortable sleep. Copper is also a natural anti-inflammatory that helps... more

Twin XL Firm 14.5" Mattress - Serta Perfect Sleeper Oasis Sleep Pillow Top | 79.5 H x 39 W 14.5 D in Wayfair 500103173-1020

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 14" Hybrid Mattress - Serta Perfect Sleeper Radiant Rest | 79.5 H x 39 W 14 D in Wayfair 500107661-1020

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