Griptonite on the elbow and forearm areas/Locks in the perfect fit and keeps pad from sliding down the arm * Reebok Play Dry/Wicks moisture away from the body, * Form fitting lycra sleeves/Prevents slippage while improving comfort, Ergonomic and anatomical elbow cap design/Excellent fit and feel. * Ergonomic and anatomical elbow cap design/Excellent fit and feel, Full PE protector on the elbow cap/Better protection.