Regular Season and Tournament Play Seam Super Seam Technology TM Patented 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 Cover Grade B Full Grain Leather Winds Gray Wool Center Red Cushioned Cork with Dura Core Technology TM Patented pressure formed to withstand impact and retain original hardness 15% better than top competitor In choosing Wilsonreg, coaches, trainers and players cite unmatched performance, feel and durability. Wilson Super Seam Technology TM helps players pitch and field with better control and accuracy. Wilson baseballs and softballs are the preferred choice of 40 collegiate conferences and half of the state high school associations nationwide. Wilson is also the Official Baseball and Softball of the Little League TM World Series.