* Aids in the prevention and treatment of pressure ulcers * Made of high quality, combustion-modified, open cell polyurethane foam * Contains 800 individual cells, each acting independently to customize support and pressure reduction * Three zones for customized support * Ring of air channels move heat and vapor away from the body * Comes with or without the Softskin cover which is vapor permeable but resistant to liquids, making it suitable for incontinent users * 35" W x 72" L x 3.5" D