Shop Medium Twin Extra Long Memory Foam Mattresses

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Mattress Firm's incredible assortment of mattress brands, types, sizes, and comfort levels means you're sure to find the perfect mattress for you. Whether you're into a firm or plush feel, a memory foam or hybrid comfort, or a twin or California king size, we've got the bed for you.

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  • WEB SPECIAL

    $289.09 - $611.79 $412.99 - $873.99 (up to 30% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $349.00 - $549.00
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $149.50 - $299.50 $299.00 - $599.00 (up to 50% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $239.50 - $399.50 $479.00 - $799.00 (up to 50% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $249.50 - $399.50 $499.00 - $799.00 (up to 50% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $390.00 - $590.00 $490.00 - $690.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $400.00 - $700.00 $550.00 - $850.00 (up to 27% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $263.20 - $431.20 $329.00 - $539.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $287.20 - $487.20 $359.00 - $609.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $287.20 - $487.20 $359.00 - $609.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $327.20 - $567.20 $409.00 - $709.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $2,599.00 - $3,599.00 $2,899.00 - $3,899.00 (up to 10% off)
    Pay over  60 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $2,799.00, excluding tax and delivery charges, for 60 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $659.00 - $1,599.00
    Pay over  36 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $5,799.00 - $7,599.00
    Pay over  60 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $2,799.00, excluding tax and delivery charges, for 60 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $222.39 - $239.99 $277.99 - $299.99 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH