Xprotex 15 Stingr Batting Gloves (Pair) AIC (Advanced Impact Composite) is an impact absorbing intelligent material conceived through 30 months of development and testing The impact load generated by a 100mph ball is reduced to the equivalent of being hit by a 40 mph ball with AIC impact absorbing material The Stingr takes the sting and vibration of batting away with thin Poron XRD impact palm padding Pre-Curved construction resists bunching in the palm The A.I.C. material protects the outside of the hand and wrist Right Hand Throw = Left Hand Glove, Left Hand Throw = Right Hand Glove