Comfort Foot Double features a unique heel cut-out eliminating contact with the heel, preventing pressure points and reducing the risk of skin breakdown. Footbox features an optional leg separator that keeps feet and legs positioned properly. Medium density foam construction provides increased comfort and protects feet from door frames and other obstructions. Non-skid fabric helps maintain foot positioning. Durable securing buckle and bolt-on option comes standard with all models. Comes standard with Comfort-Tek cover.