Mattresses and Accessories - Drive, ShearCare 1500 Foam Bariatric Dual Layer Pressure Redistribution Mattress, 80" x 42" : The ShearCare 1500 mattress from Drive and Mason Medical provides superior pressure redistribution specifically designed to meet the needs of at-risk bariatric patients. The multi-layered foam construction provides maximum support, comfort and stability while the cover provides a low shear, anti-microbial and water resistant surface.