Mattresses and Accessories - Drive, Gravity 7 Long Term Care Pressure Redistribution Mattress, No Cut Out, 80" : The Gravity 7 Long Term Care Pressure Redistribution Mattress by Drive Medical uses a multi-layered, high density foam to provide optimal pressure redistribution for individuals in long term care facilities. The top layer of foam is high resilient and die-cut, which provides comfort and proper pressure redistribution. The ultra-soft heel section is uniquely designed to provide extremely low skin interface pressure, preventing pressure ulcers. The mattress cover is a 2-way stretch, water resistant, vapor permeable nylon ensuring users comfort and hygiene. The cover provides a low moisture transmission rate (MVT) which keeps the patient cool, dry and comfortable.