Shop Twin Mattresses

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Accounting for around 31% of sales, the twin mattress is one of the most popular options for mattress size, rivaled only by the queen mattress. Measuring 39" wide by 75" long, a twin size mattress is designed for small children's bedrooms. Check out the wide selection of twin bed mattress options available, including many on sale, and be sure to also get twin mattress size bedding to go along with it.

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20% OFF America's best-selling brands during the FRIENDS & FAMILY + SALE

  • WHILE SUPPLIES LAST

    $224.50 - $299.50 $449.00 - $599.0 (up to 50% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $383.36 - $767.36 $599.00 - $1,199.0 (up to 36% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $575.36 - $831.36 $899.00 - $1,299.0 (up to 36% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • ONLY AT MATTRESS FIRM

    $767.36 - $1,151.36 $1,199.00 - $1,799.0 (up to 36% off)
     or as low as  $43.71/mo 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 EXCLUSIVE

    $219.50 - $299.50 $439.00 - $599.0 (up to 50% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB EXCLUSIVE

    $209.00 - $389.00 $299.00 - $549.0 (up to 29% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $119.20 - $199.20 $149.00 - $249.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $159.20 - $239.20 $199.00 - $299.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $239.20 - $399.20 $299.00 - $499.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $319.20 - $479.20 $399.00 - $599.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $479.20 - $719.20 $599.00 - $899.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $479.20 - $719.20 $599.00 - $899.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $479.20 - $719.20 $599.00 - $899.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $639.20 - $879.20 $799.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $639.20 - $879.20 $799.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $639.20 - $879.20 $799.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $879.20 - $1,199.20 $1,099.00 - $1,499.0 (up to 20% off)
     or as low as  $49.97/mo 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
  • NEW AT MATTRESS FIRM

    $879.20 - $1,199.20 $1,099.00 - $1,499.0 (up to 20% off)
     or as low as  $49.97/mo 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
  • NEW AT MATTRESS FIRM

    $879.20 - $1,199.20 $1,099.00 - $1,499.0 (up to 20% off)
     or as low as  $49.97/mo 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
  • $319.20 - $479.20 $399.00 - $599.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $639.20 - $879.20 $799.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB EXCLUSIVE

    $239.20 - $399.20 $299.00 - $499.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB EXCLUSIVE

    $319.20 - $479.20 $399.00 - $599.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB EXCLUSIVE

    $183.20 - $383.20 $229.00 - $479.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $1,039.20 - $1,519.20 $1,299.00 - $1,899.0 (up to 20% off)
     or as low as  $42.20/mo 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
  • $1,039.20 - $1,519.20 $1,299.00 - $1,899.0 (up to 20% off)
     or as low as  $42.20/mo 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
  • $1,119.20 - $1,599.20 $1,399.00 - $1,999.0 (up to 20% off)
     or as low as  $37.31/mo 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
  • $479.20 - $799.20 $599.00 - $999.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $559.20 - $879.20 $699.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $639.20 - $959.20 $799.00 - $1,199.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH