Equalizer Air Walker, Small, Black. Men’s: 4.5-7, Women’s: 6-8. Standard height, post oeprative, trauma or rehab use. Used for soft tissue injuries, grade 2 and 3 sprains, or stable fractures. Accommodates the swelling patterns that occur throughout the rehabilitation process. Air is easily adjusted to achieve desired compression and custom fit. Patented pneumatic system increases stability while decreasing pain and swelling. Packaging: 1/Each.