Simmons Beautyrest King-Size Extra Firm Mattresses

As an innovator in the mattress world, Simmons Beautyrest standardized mattress sizes in the 1950s, including the king size at 76" by 80". If you and your partner like some room to spread out while you sleep and need plenty of support for your necks and backs, check out the Beautyrest extra firm king bed selection available now. With a Simmons Beautyrest extra firm king mattress, you get a great king bed right from the mattress masters.

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  • $2,349.00 - $3,399.00
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