Open patella with stabilizers. Designed to provide support to stiff, weak or injured knees. Knitted elastic provides moderate compression. Open patella provides additional support. Medial and lateral stays help stabilize. Sizing: Measure Around Kneecap: SM: 12 in - 14 in.; MD: 14.5 n - 17 in.; LG: 17.5 in - 20 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.