Serta iSeries NXG 1500 All Foam Luxury Firm Mattress DropShipOnly the cool to the touch Snow Cover layers the cool to the touch Snow Cover layers with Phase Change Material and HeatDelete™ bands to dissipate body heat alongside the ultra contouring softness of Soothe memory foam Five vertically stacked drawers provide spacious storage Its luxury firm feel helps keep the body properly aligned by preventing the hips and midsection from sinking too deeply into the mattress—an essential benefit for back and stomach sleepers This balanced support promotes healthy spinal alignment while still offering gentle contouring to relieve pressure at key contact points