The Marathon Air Walker Ankle features a fully integrated pneumatic air bladder combines with circumferential protection to provide optimum immobilization and edema control. An integrated pump and interior bladder allow for a custom fit and increased stabilization throughout recovery. Its low-profile rocker sole is engineered to promote a natural gait while delivering superior cushioning from heel to toe. Indicated for stable foot fractures, severe sprains, soft tissue injuries, post-op and post-cast removal. Constructed of semi-rigid ventilated panels, moisture wicking liner and curved top edge help to provide long-wearing comfort and dryness. Quantity: 1 Size: Medium Manufacturer: Corflex Cleaning & Care: Liner should be hand washed only using warm water and detergent for delicate fabrics. Repeatedly rinsed and line dried only. Do not use bleach or place in a dryer. Wipe plastic shell with damp cloth. You may use mild soap and wipe dry.