Shop Twin Extra Long Medium 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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  • $299.00 - $549.00 $349.00 - $549.00 (up to 22% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $429.00 - $639.00 $479.00 - $799.00 (up to 25% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $449.00 - $699.00 $499.00 - $799.00 (up to 29% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $249.00 - $499.00 $299.00 - $599.00 (up to 40% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • 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
  • $525.00 - $750.00 $575.00 - $950.00 (up to 23% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $440.00 - $590.00 $490.00 - $690.00 (up to 17% off)
    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

    $309.00 - $499.00 $359.00 - $609.00 (up to 28% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $359.00 - $579.00 $409.00 - $709.00 (up to 29% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $279.00 - $449.00 $329.00 - $539.00 (up to 27% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $309.00 - $499.00 $359.00 - $609.00 (up to 28% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Free Gift With Purchase

    $1,299.00 - $1,899.00
    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
  • ONLY AT MATTRESS FIRM

    $2,599.00 - $3,299.00 $2,899.00 - $3,899.00 (up to 15% 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
  • ONLY AT MATTRESS FIRM

    $3,799.00 - $4,499.00 $4,099.00 - $5,099.00 (up to 12% 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