Wilson Baseballs A1015 NFHS Approved - 1 dozenWilson Baseballs A1015 NFHS Approved Super Seam Technology 20% higher than conventional raised seams; gives pitchers superior control on the mound and helps fielders locate the ball quicker in the glove and throw with more accuracy Dura Core Technology Proprietary pressure formed to withstand impact and retain original hardness 15% better than the competition Seam: SST Winds: Gray Wool Cover: Grade C Full Grain Leather Center: Red Cushioned Cork with