Knee/Elbow/Shin Pad,Padded Knee Sleeve Protective Compression Wear Nylon construction designed - Keeps you protected against impact & injuries/ Suitable for athletes & basketball players. Proven Compression Technology - Promotes faster muscle recovery & blood circulation. Flat Lock Seams Stitching - Allows flexible mobility with reduced chafing or skin irritation. Anti Odor & Anti Itch Material - Moisture wicking keeps you dry & comfortable even with longer use. Size and Circumference: S: 9-12", M: 12-16", L: 16-20", XL: 20-23"