Experience a restful and rejuvenating sleep night after night with the Beautyrest Silver BRS900 12-inch Medium Innerspring Mattress. Engineered to maintain its shape and consistent comfort over time, this mattress features 900 Series Pocketed Coil Technology - The World's Premier Support System - and Cool Gel Memory Foam Lumbar Support for the ultimate in pressure relief and support. Plus, the DualCool Plus Technology keeps your mattress fresh and cool. Invest in your sleep with Beautyrest Silver.