Fighting Sports S2 Gel Power Sparring 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 Dura-Gleam synthetic precision inserts Moisture-wicking