Directions Size: For left or right knee, measure around kneecap while in a standing position. Small: 13.0-15.0 inches. Washing: Close fasteners before washing. Hand wash with mild soap in warm (not hot) water. Rinse well and air dry. Do not: machine wash, tumble dry, dry clean, or use bleach or fabric softeners. How to Wear: 1. Open all closures and slide support over foot starting with the wider end. Position patella ring over kneecap. 2. Secure top strap along top edge of support. 3. Secure bottom strap along bottom edge of support. Tighten both straps until fit is snug, yet comfortable.