The soft, sustainably sourced TENCEL cover creates a cool and comfortable sleep surface with enhanced cooling fibers. TEMPUR-Indulge Memory Foam comfort layers, developed by the sleep experts at Tempur-Pedic, conform to the body to deliver all-night comfort and pressure relief. IntelliCoil HD innersprings are uniquely designed to respond to varying types of pressure, providing the perfect balance of pressure relief and support. PrecisionEdge high-density border reinforces the mattress edge, helping prevent sagging over time so you can sit or sleep comfortably. A system of ventilated coils and AirVents allows air to move in and out of the mattress, increasing airflow and pulling warm air away from your body throughout the night.