MEDIUM FEEL - Conforming Support - Featuring a 3" layer of ventilated React foam technology for conforming pressure relief, this medium mattress is designed to help your sleep deeper, so you Wake Ready for anything. BUILT FOR BREATHABILITY - Continuous Airflow all Night Long - Ventilated foam and breathable Air-X mesh sides keep air flowing in and around the mattress to help your body regulate its temperature while you sleep. COOL-TO-THE-TOUCH - Instant-Cooling Cover - Sleep hot? Ver-Tex is designed to keep you cool throughout the night by dispersing heat away from your body and preventing overheating before it starts. Durable Support Base - Each mattress consists of a high-density, durable base that provides foundational support for added comfort. Ideal For: Warm/Hot Sleepers - Prefers Memory Foam Feel. The best of both worlds! The Luxury Sport Performance Mattress is the perfect balance of firm and soft. Specially engineered to have a cooling sensation and reduce overheating, so you have a better quality of sleep. All of our mattresses are engineered with foam that is CertiPUR-US certified.