Reebok Lacrosse Protector 9K Arm Pad FIT elbow, forearm and bicep construction-Conforming arm and elbow to create a custom fit FAV system-Comfort through maximum air circulation with added protection Griptonite on the forearm areas-Locks in the perfect fit and keeps pad from sliding down the arm Reebok Play Dry-Wicks moisture away from the body Ergonomic and anatomical elbow cap design-Excellent fit and feel