Designed to provide support to stiff, weak or injured ankles. Knitted elastic provides moderate compression. Dual stretch for optimal comfort. Fits comfortably in shoe. Sizing: Ankle Circumference: SM: 7 in - 8 in.; MD: 8-1/4 - 9 in.; LG: 9-1/4 - 10 in. Essential to care since 1979. 100% money back guarantee. Return to place of purchase. www.myleader.com. Indications. Directions. Care Instructions: Hand wash, mild detergent, cold water, and air dry out of direct sun. Do not machine wash or dry. Do not iron.