Shop King Firm Mattresses

mattresses_king_firm

The firm king size mattress, which measures 76" wide by 80" long, is roomy enough for a couple to sleep comfortably with space to spare. Firm beds provide great support for back and stomach sleepers, with just enough give to accommodate most side sleepers. Since firm mattresses are easier to stand on, children tend to prefer them in cribs and transition beds during the years when they're first learning to walk.

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  • $297.00 - $597.00 $397.00 - $697.00 (up to 25% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $599.00 - $999.00 $699.00 - $1,099.00 (up to 14% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $799.00 - $1,199.00 $899.00 - $1,299.00 (up to 11% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $99.00 - $199.00 $149.00 - $249.00 (up to 34% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $199.00 - $399.00 $299.00 - $499.00 (up to 33% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $548.00 - $848.00 $599.00 - $899.00 (up to 9% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $799.00 - $1,099.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $899.00 - $1,299.00 $1,099.00 - $1,499.00 (up to 18% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $999.00 - $1,599.00 $1,299.00 - $1,899.00 (up to 23% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $2,699.00 - $3,499.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $3,499.00 - $4,299.00 $3,999.00 - $4,799.00 (up to 13% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $3,099.00 - $3,999.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $2,199.00 - $3,099.00 $2,499.00 - $3,399.00 (up to 12% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $1,599.00 - $2,699.00 $2,499.00 - $3,599.00 (up to 36% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $2,999.00 - $3,899.00 $3,499.00 - $4,399.00 (up to 14% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $1,399.00 - $2,199.00 $1,599.00 - $2,399.00 (up to 13% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • ONLY AT MATTRESS FIRM

    $1,649.00 - $2,499.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFTS**

    $575.00 - $950.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $191.20 - $311.20 $239.00 - $389.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB SPECIAL

    $207.20 - $351.20 $259.00 - $439.00 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $1,899.00 - $2,799.00 $2,099.00 - $2,999.00 (up to 10% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT**

    $699.00 - $1,299.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH