Supreme comfort meets advanced support with the new Gelcare Origin. The 1 inch layer of ventilated Gelcare memory foam works with the 1.5 inches of contouring memory foam. This combination gently conforms and contours your body to give you a cooler, more comfortable sleeping surface. Ventilated Gelcare memory foam is the next step in cooling memory foam technology. All Health Care memory foam mattresses are made of high quality memory foam material, and are certified pure by CertiPUR-US.