My Bob-O-Pedic Sport Copper Hybrid® Mattress Set regulates your temperature while you sleep using a new and inventive method! The cool-to-the-touch cover provides temperature regulation due to the innovative copper threads it's made with! Then a layer of Bob-O-Pedic Quick Response Gel Memory Foam with Copper manages pressure relief and temperature regulation. A layer of Bob-O-Pedic Memory Foam offers even more comfort and keeps you supported all night long. Finally, there's a layer of transition foam for additional comfort, while a layer of base foam gives long term support and durability. My innovative copper memory foam mattress set will have you sleeping in and hitting snooze!