Sierra Sleep Millennium Cushion Firm Gel Memory Foam Hybrid M50771 Twin XL Mattress

Discover the luxury of this twin XL hybrid mattress. Two layers of temperature-regulating material keep you at a comfortable temperature all night long. Copper-infused memory foam contributes to the cooling performance, and pocketed coils keep your mattress fresh. Contouring comfort foam and pocketed coils deliver amazing support, pressure relief and comfort. In addition, the premium pressure-sensitive NanoCoil unit and individually wrapped coil pack help to provide a great night's sleep.