King
$1,19999
$3,24999
63% OFF
Extra Firm Comfort, best for
Back and Stomach Sleepers
Pain
Toss and Turn
6 Sizes
Extra Firm King Sized Mattresses
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Extra Firm
King
Only at Mattress Firm
Limited Time Deal
King
$2,29900
$2,59900
Extra Firm Comfort, best for
Back and Stomach Sleepers
Pain
Bed Partner
6 Sizes
Only at Mattress Firm
King
$2,89999
Extra Firm Comfort, best for
Back and Stomach Sleepers
Pain
Temperature
7 Sizes
Extra Firm King Sized Mattresses
Stop searching for beds that are the wrong firmness for you. Get the most out of your new mattress purchase and consult a Sleep Expert for your ideal firmness.