Supreme comfort meets advanced support with the Gelcare Discovery. A 2 inch layer of Gelcare memory foam works with the 1 inch of Ventilated memory foam to gently conform to and contour your body, and give you a more cooler sleeping surface. Gelcare memory foam is the next step in memory foam technology. All Healthcare memory foam mattresses are made of high quality memory foam material. They are constructed with heavier and denser materials.