Shop Twin Extra Long Foam Mattresses

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A twin XL foam mattress is the perfect combination of body-conforming comfort and space saving design. Measuring 39" x 80", a twin XL foam mattress provides sleepers with an extra 6" of length for maximum comfort. More durable than a traditional spring coil mattress, a twin XL foam mattress is also crafted to relieve body aches and soreness, since foam mattresses evenly distribute the sleeper's weight.

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  • NEW AT MATTRESS FIRM

    $362.99 - $637.99 $412.99 - $873.99 (up to 35% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $412.99 - $749.99 $462.99 - $998.99 (up to 38% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $574.99 - $874.99 $624.99 - $1,162.99 (up to 29% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $574.99 - $1,037.99 $624.99 - $1,337.99 (up to 40% off)
    Pay over  24 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $999.00, excluding tax and delivery charges, for 24 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $189.00 - $319.00 $239.00 - $389.00 (up to 25% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $169.00 $219.00 (up to 23% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $209.00 - $349.00 $259.00 - $439.00 (up to 26% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH