Title Boxing Fighting Sports S2 Gel Fierce Training Gloves Shock Suppression Gel series with exclusive S2 GEL technology A trio of precision placed inner foams - BL05S High Density Impact Absorbing Foam, K-329 Sponge Comfort Foam and S2 Shock Suppression Gel The S2 series utilizes select grades of full grain leather A full wraparound hook-and-loop wrist closure Moisture-wicking