The Edge B50 Euro Pillow Top mattress by Sleeptronic features a CoolTex ticking engineered to keep you cool, dry and comfortable, Polyfoam layers, Poly Gel, a layer of Gel Visco Comfort Foam, Convoluted Foam topper, innerpanel, Polyfoam Support layer, and Quantum Coil that is designed to flex and conform on adjustable bedbases while providing a firm seating edge.