Mattresses and Accessories - Drive, Multi-Ply Dynamic Elite Foam Pressure Redistribution Mattress, 80" : Ultra-soft Multi-Ply Mattresses from Drive and Mason Medical are excellent options for simple pressure redistribution. The mattresses are composed of multiple layers of comfortable high density foam and are separated into zones that provide customized support for different parts of the patient's body. The Multi-Ply Dynamic Elite features gel-infused foam to channel heat away from the body much faster than standard foam. The heel area features our patented Lura-Quilt foam which allows air to continuously pass through, reducing heat buildup and a 25 degree slope.