Furniture › Bedroom Furniture › Mattresses & Boxsprings › Sealy › Twin Extra Long › bed mattress

Twin XL Firm 10" Innerspring Mattress - Sealy Essentials Osage Tight Top & Box Spring Set | 80 H x 38 W 10 D in Wayfair 42875731

Perfect for guest beds, spare beds, and kids’ rooms, this spring mattress with a firm feel features response open coils and a SealySupport 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 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 Firm 10" Hybrid Mattress - Sealy Cool & Clean Medium | 39 W x 10 D in Wayfair F03-00181-TX0

Cool, clean, comfortable, and convenient. The cool and clean 10" medium firm hybrid mattress brings all the comfort and trusted quality of a Sealy mattress, turned up a notch with a cool & clean cover and mattress-in-a-box convenience. Cool-touch plush... 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. Box Spring... 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 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 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 13" Foam Mattress - Sealy Essentials Oak Street Plush Pillow Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42950431

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 13" Foam Mattress - Sealy Essentials Oak Street Plush Pillow Top & Box Spring Set | 80 H x 38 W 13 D in Wayfair 42950331

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" 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 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 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 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 15" Foam Mattress - Sealy Posturepedic Mill Park Plush Pillow Top & Box Spring | 80 H x 38 W 15 D in Wayfair 42953831

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

Twin XL 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42951231

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. Box Spring... 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 42952331

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" Foam Mattress - Sealy Posturepedic Mill Park Plush Pillow Top & Box Spring | 80 H x 38 W 15 D in Wayfair 42953731

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

Twin XL 15" Innerspring Mattress - Sealy Posturepedic Mill Park Soft Pillow Top | 80 H x 38 W 15 D in Wayfair 52953731

This euro pillow top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a soft 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 42950731

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 Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top | 80 H x 38 W 12.5 D in Wayfair 52952531

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 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 80 H x 38 W 12 D in Wayfair 42950531

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. Mattress Size: Extra-long... more

Twin XL Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top | 80 H x 38 W 11 D in Wayfair 52952331

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 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top | 80 H x 38 W 12 D in Wayfair 52950531

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. Mattress Size: Extra-long Twin... 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 42953031

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 Medium 13" Innerspring Mattress - Sealy Faux Euro Top | 80 H x 38 W 13 D in Wayfair 52951531

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" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top & Box Spring Set | 80 H x 38 W 14 D in Wayfair 42951931

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 Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top | 80 H x 38 W 14 D in Wayfair 52951931

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 12" Innerspring Mattress - Sealy Posturepedic Mill Road Soft Tight Top | 80 H x 38 W 12 D in Wayfair 52951131

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 Firm 10" Hybrid Mattress - Sealy Cool & Clean Medium | 39 W x 10 D in Wayfair F03-00181-TX0

Cool, clean, comfortable, and convenient. The cool and clean 10" medium firm hybrid mattress brings all the comfort and trusted quality of a Sealy mattress, turned up a notch with a cool & clean cover and mattress-in-a-box convenience. Cool-touch plush... more