The Air Traveler walker features a circumferential air bladder that provides the ultimate compression and security for the wearer. The inflation/deflation system allows the patient to easily adjust pressure, and the five-way strapping system adjusts to fit virtually any leg. Item is sold as one (1) walker. Fits right or left foot. Large fits a women's shoe size 12.5 to 15, and men's shoe size 11 to 13.