Padded Arm Sleeves for Kids (1 Pair/Black S) Compression - Boys, Girls, Youth Basketball Shooter Sleeve - Best Elbow Warmers Protection for Football, Volleyball, Athletic Contact Sports High Performance Fabric - Keeps your child warm in cold temperatures, & keeps cool in hotter temperatures Proven Compression Technology - Promotes faster muscle recovery & blood circulation; offers great forearm protection & minimizes injury Flat Lock Seams Stitching - Allows flexible mobility without chafing or skin irritation Anti Odor & Anti Itch Material - Keeps your child dry & comfortable even with longer use 4-Way Stretch Technology - Excellent, snug fit & retains shape even after multiple washes; Size Guide: Small 6"-7.5" / Medium 7.5"-8.5" / Large 8.5"-10"