● Low profile, contoured cushion with mild anti-thrust shelf to prevent forward migration. High density, molded foam increases surface area reducing potential high-pressure areas. Medial and lateral thigh supports promote proper leg alignment. ● Covers- STRETCH-AIR FABRIC — designed for air transmission and heat reduction. This two-ply, breathable laminate combines a highstretch polyester top layer with a waterproof, breathable vapor barrier. COMFORT-TEK — fluid proof exterior has supple leathery properties that provide an easily cleaned surface and protection for the inner cushion. Comfort-Tek has multidimensional stretch and helps alleviate pressure on bony prominences.