The United Ortho Short Air CAM Walking Boot is designed to provide stable, medical-grade support during recovery from foot and ankle injuries or post-operative care. Built with durable molded plastic uprights and steel reinforcement, it helps protect the injured area while walking. The shock-absorbing insole and rocker-bottom sole support a smoother stride, though walking in a medical boot may feel different than normal footwear, which is expected. An adjustable air liner and straps allow the boot to fit either the left or right foot and accommodate swelling or bandages when applied correctly using the included User Guide. Recommended for acute ankle sprains, soft-tissue injuries, stable foot, ankle, or lower-leg fractures, and post-surgical recovery; not intended for sports or high-impact activity. Suitable for users up to 300 lbs. United Ortho guarantees all products to be free from defects in materials and workmanship for a period of six months from date of purchase. For warranty claims or questions please contact 1-800-227-8748.