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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  • $349.00 - $549.00
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $575.00 - $950.00
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $399.00 - $599.00 $449.00 - $649.00 (up to 11% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $383.20 - $639.20 $479.00 - $799.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW

    $249.50 - $399.50 $499.00 - $799.00 (up to 50% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • ONLY AT MATTRESS FIRM

    $4,099.00 - $5,099.00
    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
  • ONLY AT MATTRESS FIRM

    $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
  • 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
  • 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
  • ONLY AT MATTRESS FIRM

    $2,899.00 - $3,899.00
    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