The Beautyrest Black Series Two Firm Mattress offers advanced cooling, firm support, and pressure relief, perfect for back and stomach sleepers. Featuring Sleep Climate Technology, SurfaceTouch Gel Memory Foam, and Micro Diamond Memory Foam, it ensures a cool, comfortable night’s rest. Triple-Stranded Pocketed Coil Technology provides individualized support and motion separation, while HD and GelFeel foams deliver firm, even comfort. CertiPUR-US certified and adjustable base friendly, this USA-assembled mattress includes a 10-year warranty and free delivery.