Quick view Drive Medical Gravity 9 Multi-Layered / Multi-zoned Foam Mattress with 3" Elevated Perimeter and Cut-out, 36" (W) x 80" (L) x 6" (H) Drive Medical $425.99 Features: 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... Add to Cart