Commonly worn immediately after an ankle injury and throughout recovery; Low-profile structure allows for minimal bulk while wearing shoes Intended to prevent or treat acute ankle injuries, chronic instability, post-operative use and ankle sprains grade I, II, and III Semi-rigid, anatomically designed shells are lined with patented Duplex air cells, which help stabilize and protect the ankle Pre-inflated air cells provide pulsating compression while walking, enhance circulation and reduce swelling and edema Aircast Air-Stirrup Ankle Support Brace resists inversion more than taping, yet normal flexion is virtually unrestricted