12" NightsBridge Series Hybrid Firm Twin XL Mattress in a Box

Details The 12" NightsBridge Hybrid Firm Mattress was engineered for luxury at an affordable price. Kelv-Cool Graphite-Infused High Density Memory Foam and GEL-Cool Gel-Infused High Density Memory Foam provide pressure-relief with cooling gel-infusion. A Dynamic-Response MicroCoil Layer confirms to your body contours for maximum support. The All-Night Support+ (ANS+) Foam delivers a comfortable sleep surface with firm support, while the IsoCore Support System gives full edge to edge support for stability, consistency and to reduce motion transfer.