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Twin Extra Firm 13" Innerspring Mattress - Serta Clarks Hill | 72 H x 38 W 13 D in Wayfair 500714451-1010

The Serta Clarks Hill Elite Extra Firm 13" Innerspring Mattress provides a cooling and supportive mattress that delivers the trusted comfort of Serta. Cooling gel is swirled directly into a breathable foam designed to promote airflow and heat... 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 Extra Firm 11.25" Hybrid Mattress - Serta iComfortECO Q10 | 79.5 H x 39 W 11.25 D in Wayfair 500802591-1020

Featuring select materials that are up to 70% sustainable, the iComfortECO supportive mattress offers a hybrid construction with a classic, quilted-top feel—with upgrades available for even more cooling, comfort, and pressure relief. Mattress Size:... more

Twin Extra Firm 12" Mattress - Serta Perfect Sleeper Oasis Sleep | 74.5 H x 38 W 12 D in Wayfair 500108781-1010

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 Extra Firm 13" Innerspring Mattress - Serta Clarks Hill | 80 H x 39 W 13 D in Wayfair 500714451-1020

The Serta Clarks Hill Elite Extra Firm 13" Innerspring Mattress provides a cooling and supportive mattress that delivers the trusted comfort of Serta. Cooling gel is swirled directly into a breathable foam designed to promote airflow and heat... more

Twin Extra Firm 11.25" Hybrid Mattress - Serta iComfortECO Q10 | 74.5 H x 38 W 11.25 D in Wayfair 500802591-1010

Featuring select materials that are up to 70% sustainable, the iComfortECO supportive mattress offers a hybrid construction with a classic, quilted-top feel—with upgrades available for even more cooling, comfort, and pressure relief. Mattress Size:... more

Twin Extra Firm 11.25" Hybrid Mattress - Serta iComfortECO Q10 | 74.5 H x 38 W 11.25 D in Wayfair 500802591-1010

Featuring select materials that are up to 70% sustainable, the iComfortECO supportive mattress offers a hybrid construction with a classic, quilted-top feel—with upgrades available for even more cooling, comfort, and pressure relief. Mattress Size:... more