MaxTrax 2.0 Air offers next-level support with an adjustable dual air-cell system to maintain limb contact for improved stability and accommodate changes in edema; the pump and release valve are conveniently located on the side of the boot for use with knee scooters. Customizable malleable double uprights, versatile cross-strapping options, adjustable straps, a unique molded foam insole with trimmable rounded counter heel and a low-profile footbed with non-slip rocker sole, promote a comfortable, personalized fit. Indications: support and management of edema for acute ankle sprains, soft tissue injuries of the lower leg, stress fractures of the lower leg, stable fractures of the foot and ankle, stable delayed union or non-union fractures of the distal tibia and fibula, Achilles tendon repairs, bunionectomies, metatarsal fracture, forefoot, midfoot and hindfoot injury. Medium fits male size 7-1/2 to 10 or female size 8-1/2 to 11