For an adaptable mattress that offers steady support, consider a firm memory foam king size mattress. High-tech foam inserts conform to your body while you sleep, providing critical relief at joints and other pressure points, while a firm top layer prevents sinking into your mattress overnight. Firm memory foam king size mattresses offer the best of solid comfort and malleable support.

Place a firm memory foam king size mattress in your master bedroom to complete the cozy suite of your dreams. The large size can comfortably accommodate two sleepers, making this the perfect choice for couples. Memory foam king size mattresses offer spacious surface area that will keep you and your partner comfortable night after night.