The Ossur Rebound Air Walker keeps the injured foot and ankle immobilized while letting the user resume normal activities. The Rebound Air Walker offers pneumatic compression while protecting the injury with the study, yet lightweight outer shell. The Rebound Air Walker has a shock-absorbing sole to protect the foot and ankle from jolts and bumps caused by walking. The Rebound Air Walker may be worn on either the right or left foot. This unisex walker boot is available in 5 different sizes: X-Small, Small, Medium, Large or X-Large.