The Aero Walker is scientifically engineered to accelerate the healing process and to reduce the body s recovery time. It is carefully designed to protect the body while providing superior comfort and support.Used for soft tissue injuries grade 2 and 3 sprains stable fractures and post operative stabilization. Helps to reduce pain swelling and edema of foot and ankle. Features . Inflatable bladder incorporated into liner for increased immobilization of the lower leg ankle and foot. Specially designed reinforced adjustable toe guard for added protection. Cushioned sole for greater energy absorption. State of the art design provides greater protection without sacrificing comfort. Fits either left ot right foot Specification . Size Small. Male Shoe Size 4 7. Female Shoe Size 6 8. Weight 2.42 lbs.