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