Shop Twin Firm Mattresses

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Set yourself up for a supportive and relaxing night's sleep with a 39" x 74" firm twin mattress. Ideal for sleepers who experience back pain, a firm twin mattress can provide a relaxing environment for sleepers to drift away to dreamland. A firm twin mattress will fit standard twin bed frames and bunk beds, for added space saving.

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  • $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
  • 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

    $479.20 - $719.20 $599.00 - $899.0 (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
  • WEB EXCLUSIVE

    $191.20 - $311.20 $239.00 - $389.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • WEB EXCLUSIVE

    $207.20 - $351.20 $259.00 - $439.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • $460.00 - $760.00 $575.00 - $950.0 (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