Coolmax washable, moisture wicking breathable liner pre-inflated 3 chamber air cell for anterior panel anti-migration strap prevents ankle pistioning and translation of the foot removable toe cover provides protection and warmth circumferential medial and lateral dual air cell system fully encase lower leg lightweight ergonomic shell and moldable LDPE anterior panel maximizes comfort and patient compliance ultra low profile EVA rocker provides natural ambulation and offload latex free.