High quality therapeutic foam mattress provides pressure redistribution and shear/friction reduction Drive's premium therapeutic Gravity foam mattress maximizes value and comfort with multiple layers of latex free foam Full top layer of open cell, visco-elastic memory foam improves immersion and pressure redistribution Bottom layer provides full length horizontally scored articulation cuts extending the durability and life of the mattress High density foam perimeters provide solid edge support and facilitate safe patient transfers Available with or without raised side rails Heel section is sloped with channel cut foam center offloading pressure from vulnerable heels Removable multi-stretch cover is fluid resistant, low shear and vapor permeable helping protect the skin from friction and moisture Meets flammability standard CFR 1632 and CFR 1633