This lightweight RCAI TA boot has been designed with static hinges to provide the user with secondary immobilization and rehabilitation for the ankle and foot. It is designed for use in patients who has mid shaft to distal tibial fractures, Achilles tears, ankle fractures and ligament damage. The rocker bottom has been designed to enhance the natural gait and hip alignment of the user, with the adjustable hinge arms working to give a custom fit for each user.