Mattresses & Boxsprings › Serta › Twin Extra Long

The Serta Clarks Hill Firm 10.5" Innerspring Mattress provides a supportive ma... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

Reach your Sheep Dreams with this 12” Gel memory foam mattress! Packed with th... 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

The all-new 2023 Perfect Sleeper collection features a coil density system, th... The all-new 2023 Perfect Sleeper collection features 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

Featuring a 3 zoned coil design, this mattress offers pressure relief and supp... Featuring a 3 zoned coil design, this mattress offers pressure relief and support where you need it with upgrades available with more cooling layers and support. Mattress Size: Extra-long Twin | Twin XL 13.25" Mattress - Serta Perfect Sleeper Oasis... more

The all new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all-new 2023 Perfect Sleeper collection featuring a coil density system, t... 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

The all new 2023 Perfect Sleeper collection featuring a coil density system, t... 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