Comfort-Tek
Price: + included
Fluid proof cover with a supple leather-like feel that is easy to clean and protects the inner cushion. It has multi-dimensional stretch and helps alleviate pressure on bony prominences.
Stretch-Air
Price: + included
Designed for air transmission and heat reduction. It is a two-ply, breathable laminate that combines a high-stretch polyester top layer with a waterproof, breathable vapor barrier.