The United Ortho air cam walking boot provides maximum stability and support following injury or post-operative procedures. The air cam walking boot can be used for acute ankle sprains, soft tissue injuries, stable lower leg, foot and ankle fractures and post-operative use. Plastic molded uprights with steel reinforcement provides increased durability. Shock-absorbing insole reduces impact of heel strike when walking. Rocker sole helps promote a natural gait to allow continuation of daily activities.