Cooling Gel Mattress TopperOur patented Cooling Gel Mattress Topper keeps you sleeping cool and comfortable every night. Because the memory foam is infused with cooling gel, it has a supple feel thats ease into sleep soft. The cooling gel adds softness, with no loss of support. Supportive and responsive, it adjusts to variable pressure, cushioning the shoulders, hips, back and knees, while cradling the entire body. It features foam that is Certi PUR US certified and GreenGuard