PrimaSleep 10 inch WAVE L infused memory foam mattress – I gel infusion, ventilation memory foam mattress new gel materials that are breathable, help you sleep in proper temperature. Non temperature sensitive foam. Pressure-relief materials that adapts to your body shape, weight and temperature. I gel performance materials to lower temperature ventilation with convoluted had layer our foam is designed to improve its durability with an excellent breathability and resilience than compared to other ordinary memory foam. Our Mission is to provide the most reliable & innovative products that results in most satisfying sleep experiencePerfect Top layer supports bodyweight & maintains body Shape for Rest in the best condition 1. 5 inch I Gel disperses temperature accumulation to maintain a constant mattress temperature. 2. 5 inch convoluted layer structure provides better ventilation and disperses body pressure. 4. 5 inch 25 ILD had foam at the bottom prevents defection of memory foam. Best in class Poly jacquard cover keeps mattress fresh and clean.