Designed to provide support to stiff, weak or injured ankles. Adjustable strap for a customized level of support. Fits comfortably in shoe. Can be worn on left or right foot. Sizing: Ankle Circumference. SM: 7 in - 8 in. MD: 8 in - 9 in. LG: 9 in - 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 stun. Do not machine wash or dry. Do not iron.