Rebound® Air Walker Air Walker Boot Pneumatic Adult Medium Short (773009_EA) 1/EABuilt in air pump provides simple inflation deflation and consistent compression . Hook and loop straps make boot easy to put on and take off . Flex Edge overmold adapts to curves and relieves pressure points . Boot shell adjusts to comfortably fit a range of calf sizes . Rocker bottom of the Rebound Air Walker boot helps promote a natural gait . Air bladder placement cradles and secures heels with balanced compression . The inner lining wicks away