Furniture › Bedroom Furniture › Mattresses & Boxsprings › Twin Extra Long › twin 13 75 innerspring mattress

Twin XL Firm 13.75" Innerspring Mattress - Beautyrest Black C-Class Mattress, Latex | 72 H x 83.5 W 13.75 D in Wayfair 700811474-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest black C-class 13.75" firm mattress offers up to 21% more support where your body needs it the most. With help from our new... more

Twin XL Firm 13.75" Innerspring Mattress - Beautyrest Black C-Class Mattress, Latex | 72 H x 83.5 W 13.75 D in Wayfair 700811474-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest black C-class 13.75" firm mattress offers up to 21% more support where your body needs it the most. With help from our new... more

Twin XL Firm 13.75" Innerspring Mattress - Beautyrest Black L-Class | 79.5 H x 39 W 13.75 D in Wayfair 700811472-1020

Elevate your sleep to a luxurious reward, night after night. As a part of our most advanced collection yet, the Beautyrest black l-class 13.75" firm mattress offers up to 21% more support where your body needs it the most.* with help from our new... more

Twin XL Firm 13.75" Innerspring Mattress - Beautyrest Black L-Class | 79.5 H x 39 W 13.75 D in Wayfair 700811472-1020

Elevate your sleep to a luxurious reward, night after night. As a part of our most advanced collection yet, the Beautyrest black l-class 13.75" firm mattress offers up to 21% more support where your body needs it the most.* with help from our new... more

Twin XL Firm 15.75" Innerspring Mattress - Beautyrest Black K-Class Pillow Top Mattress, Latex | 74.5 H x 83.5 W 15.75 D in Wayfair 700811479-1020

Elevate your sleep to a luxurious reward night after night. As the premier offering in our most advanced collection yet, the Beautyrest Black K-Class 15.75" Firm Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With... 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 Medium 13" Innerspring Mattress - Sealy Posturepedic Mill Road Faux Euro Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42951631

An upgraded faux Euro top 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. Medium... more

Twin XL Medium 13" Innerspring Mattress - Sealy Posturepedic Mill Road Faux Euro Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42951531

An upgraded faux Euro top 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. Medium... 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 Firm 10.5" Innerspring Mattress - Serta Clarks Hill | 39 W x 10.5 D in Wayfair 500705991-1020

The Serta Clarks Hill Firm 10.5" Innerspring Mattress provides a supportive mattress that delivers the trusted comfort of Serta. Serta pillow-soft foam gently contours the body to provide enhanced cushioning comfort. Our 805 individually wrapped coil... 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 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 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 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 15.25" Innerspring Mattress - Beautyrest Black C-Class Plush Mattress, Latex | 79.5 H x 60 W 15.25 D in Wayfair 700811475-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black C-Class 15.25" Plush Mattress offers up to 21% more support where your body needs it the most.* With help from our new... more

Twin XL 16.5" Innerspring Mattress - Beautyrest Black K-Class Plush Pillow Top Mattress, Latex | 79.5 H x 39 W 16.5 D in Wayfair 700811480-1020

Elevate your sleep to a luxurious reward night after night. As the premier offering in our most advanced collection yet, the beauty rest black K-class 16.5" plush pillow top mattress offers up to 21% more support where your body needs it the most. With... more

Twin XL Medium 13.5" Innerspring Mattress - Beautyrest Black L-Class | 83.5 H x 79.5 W 13.5 D in Wayfair 700811471-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black L-Class 13.5" medium mattress offers up to 21% more support where your body needs it the most. With help from our new... 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 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 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top & Box Spring Set | 80 H x 38 W 15 D in Wayfair 42953631

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 Medium 13.5" Innerspring Mattress - Beautyrest Black L-Class | 83.5 H x 79.5 W 13.5 D in Wayfair 700811471-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black L-Class 13.5" medium mattress offers up to 21% more support where your body needs it the most. With help from our new... more

Twin XL 13" Innerspring Mattress - Sealy Essentials Oak Street Plush Pillow Top | 80 H x 38 W 13 D in Wayfair 52950331

A step-up in the Essentials Collection, this Euro Pillow Top mattress features more Response Open Coils for adaptive support, additional layers of comfort foam, and a reinforced mattress edge for increased durability. It’s a great value mattress for a... 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 13" Waterbed Mattress - Strobel Winners Strike the Gold K-Rail 2.5-in Pillowtop Top Only Waveless Deep fill Soft-side Mattress, | 13 H x 38 W 80 D Wayfair

Strobel’s super-premium and Strobel think the best soft side waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super waveless and added peace of mind. Strobel Hydro Support Waterbeds feature their... more

Twin XL Medium 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top & Box Spring Set | 80 H x 38 W 15 D in Wayfair 42953531

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 Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 80 H x 38 W 12.5 D in Wayfair 42952531

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 Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top | 80 H x 38 W 12 D in Wayfair 52950731

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. Firm feel. Mattress... more

Twin XL 16" Innerspring Mattress - Beautyrest Black C-Class Plush Pillow Top Mattress, Latex | 79.5 H x 39 W 16 D in Wayfair 700811478-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest black c-class 16" plush pillow top mattress offers up to 21% more support where your body needs it the most. With help from our... more

Twin XL Firm 13.5" Hybrid Mattress - Kingsdown Passions Merridale | 80 H x 38 W 13.5 D in Wayfair FG-36003-TT1-TL

Like all Kingsdown handmade mattresses, Kingsdown passions Merridale is designed with a passion for quality sleep. At the heart of the Kingsdown line, passions incorporates advanced features like tri-zoned coil support and foam infusions for enhanced... 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 Firm 15.75" Innerspring Mattress - Beautyrest Black K-Class Pillow Top Mattress, Latex | 74.5 H x 83.5 W 15.75 D in Wayfair 700811479-1020

Elevate your sleep to a luxurious reward night after night. As the premier offering in our most advanced collection yet, the Beautyrest Black K-Class 15.75" Firm Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With... more

Twin XL Firm 14" Innerspring Mattress - Sealy Posturepedic Mill Park Faux Euro Top & Box Spring Set | 80 H x 38 W 14 D in Wayfair 42952931

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 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42950831

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. Firm feel. Box Spring... more

Twin XL Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top & Box Spring Set | 80 H x 38 W 14 D in Wayfair 42952031

An upgraded Euro Pillow Top 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.... more

Twin XL 14.5" Innerspring Mattress - Beautyrest Black L-Class Plush Pillow Top | 79.5 H x 83.5 W 14.25 D in Wayfair 700811512-1020

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" Plush Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With help from... more

Twin XL Firm 10" Innerspring Mattress - Sealy Essentials Osage Tight Top | 80 H x 38 W 10 D in Wayfair 52875731

Perfect for guest beds, spare beds, and kids’ rooms, this spring mattress with a firm feel features response open coils and a seal support gel foam layer for an on-the-bed feeling. It’s a great night’s sleep at an affordable price. Mattress Size:... more

Twin XL 16" Innerspring Mattress - Beautyrest Black C-Class Plush Pillow Top Mattress, Latex | 79.5 H x 39 W 16 D in Wayfair 700811478-1020

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest black c-class 16" plush pillow top mattress offers up to 21% more support where your body needs it the most. With help from our... more