Shop King Innerspring Mattresses

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Almost limitless space and supportive innersprings? A king innerspring bed represents an upgrade in every way. Part of the reason the king size bed, measuring 76" by 80", was invented in the 1960's was to provide the rising percentage of Americans over six feet tall with a larger mattress. If you crave space, a king size innerspring mattress has it. Within the king innerspring mattress category, there are a huge variety of densities, materials, and levels of cushioning to choose from.

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  • $224.50 - $299.50 $449.00 - $599.0 (up to 50% off)
    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
  • 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

    $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
  • 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
  • $183.20 - $319.20 $229.00 - $399.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $319.20 - $439.20 $399.00 - $549.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $119.20 - $199.20 $149.00 - $249.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH