Furniture › Bedroom Furniture › Mattresses & Boxsprings › mattress foundation twin extra long

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 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 | 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 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 | 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 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

Serta iComfort Foundation Wood in Brown | 9 H x 60 W x 80 D in | Wayfair 500813799-5050

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in Brown | 9 H x 53 W x 75 D in | Wayfair 500813799-5030

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in Brown | 6 H x 53 W x 75 D in | Wayfair 500813799-6030

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Twin XL 13.25" Mattress - Serta Perfect Sleeper Oasis Sleep Plush | 79.5 H x 39 W 13.25 D in Wayfair 500109062-1020

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

Twin Medium 13.5" Hybrid Mattress - Serta Arctic Premier | 79.5 H x 38 W 13.5 D in Wayfair 500433368-1020

Treat yourself to all-night cool, comfortable sleep with the Serta Arctic 13.5" medium hybrid cooling mattress. Serta Arctic hybrid is engineered with 15x better cooling power*—helping to keep you comfortable all night long. Many mattresses only offer... more

Twin 13.5" Memory Foam Mattress - Serta Arctic Plush | 79.5 H x 39 W 13.5 D in Wayfair 500430088-1020

Treat yourself to all-night cool, comfortable sleep with the breakthrough Serta Arctic 13.5" Plush Cooling Memory Foam Mattress. Serta Arctic is engineered with 15x better cooling power*—helping to keep you comfortable all night long. Many mattresses... more

Twin 13.5" Memory Foam Mattress - Serta Arctic Plush | 79.5 H x 39 W 13.5 D in Wayfair 500430088-1020

Treat yourself to all-night cool, comfortable sleep with the breakthrough Serta Arctic 13.5" Plush Cooling Memory Foam Mattress. Serta Arctic is engineered with 15x better cooling power*—helping to keep you comfortable all night long. Many mattresses... more

Twin Medium 13.5" Hybrid Mattress - Serta Arctic Premier | 79.5 H x 38 W 13.5 D in Wayfair 500433368-1020

Treat yourself to all-night cool, comfortable sleep with the Serta Arctic 13.5" medium hybrid cooling mattress. Serta Arctic hybrid is engineered with 15x better cooling power*—helping to keep you comfortable all night long. Many mattresses only offer... more

Serta Nightstar Rectangular Mattress in Yellow | 6 H x 27.5 W x 52 D in | Wayfair A43311-1108

Infants need a firm foundation, and Serta’s Nightstar Deluxe Firm Crib & Toddler mattress provides the support essential for a good night’s rest. Include full perimeter border support for long-lasting stability, air vents that help the mattress breathe... more

Serta iComfort Foundation Wood in Brown | 6 H x 38 W x 75 D in | Wayfair 500813799-6010

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in Brown | 9 H x 38 W x 75 D in | Wayfair 500813799-5010

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in Brown | 6 H x 60 W x 80 D in | Wayfair 500813799-6050

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in Brown | 6 H x 38 W x 80 D in | Wayfair 500813799-9860

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in Brown | 9 H x 38 W x 80 D in | Wayfair 500813799-9960

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in White | 6 H x 36 W x 84 D in | Wayfair 500813799-9870

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in Brown | 6 H x 38 W x 75 D in | Wayfair 500813799-6010

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in White | 9 H x 36 W x 84 D in | Wayfair 500813799-9970

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta Perfect Sleeper Box Spring Wood in Brown | 9 H x 38 W x 75 D in | Wayfair 500122199-5010

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9” in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base with your... more

Serta Perfect Sleeper Box Spring Wood in Brown | 9 H x 38 W x 80 D in | Wayfair 500122199-5020

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9” in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base with your... more

Serta Perfect Sleeper Box Spring Wood in Brown | 9 H x 53 W x 75 D in | Wayfair 500122199-5030

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9” in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base with your... more

Serta Perfect Sleeper Box Spring Wood in Brown | 9 H x 38 W x 75 D in | Wayfair 500122199-5010

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9” in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base with your... more

Serta Perfect Sleeper Box Spring Wood in Brown | 9 H x 60 W x 80 D in | Wayfair 500122199-5050

The Serta Flat Mattress Foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 9” in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base with your... more

Serta Perfect Sleeper Low Profile Box Spring Wood in Brown | 6 H x 38 W x 75 D in | Wayfair 500122199-6010

The Serta flat mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta Perfect Sleeper Low Profile Box Spring Wood in Brown | 6 H x 60 W x 80 D in | Wayfair 500122199-6050

The Serta flat mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta Perfect Sleeper Low Profile Box Spring Wood in Brown | 6 H x 38 W x 75 D in | Wayfair 500122199-6010

The Serta flat mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta Perfect Sleeper Low Profile Box Spring Wood in Brown | 6 H x 53 W x 75 D in | Wayfair 500122199-6030

The Serta flat mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta Perfect Sleeper Low Profile Box Spring Wood in Brown | 6 H x 38 W x 80 D in | Wayfair 500122199-6020

The Serta flat mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more