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. Medium fits a women's shoe size 9.5 to 12, and men's shoe size 8 to 10.5.