This cooling hybrid mattress starts with a layer of conforming, pressure- relieving memory foam that decreases stress on your joints and is infused with gel to keep you cool and comfortable all night long. It rests on a durable system of wrapped coils for motion isolation and custom support. On top, a soft OEKO-TEX® certified mattress cover provides an extra layer of breathable comfort. Made with Certi-PUR US® certified foam, you can rest easy knowing no harmful chemicals are anywhere near where you sleep. This mattress is expertly rolled and packed with a 10-year warranty into one compact box that ships right to your door.