The Wilson A1074LL1 Little League Baseballs are part of Wilson's Youth League Game Play Series and are made for youth regular season play. Featuring a Grade C Full Grain Leather Cover for epic durability, while Gray Wool Windings offer amazing shape retention. The core is designed with Black Cork & Rubber combo helping with shape and firmness. Wilson’s SST (Super Steam Technology) showcases seams that are 20% higher than raised seam baseballs, helping players experience superior control and helping fielders locate the ball quicker in their glove.