The Wilson A1001 pro series baseballs are Wilson's official college game ball. The A1001 features a top-quality grade A full grain leather cover and flat seams that offer the same feel and performance as used by the pro's. A1001 pro series baseballs are designed with a red cushioned cork center to help the ball retain hardness, aerodynamic flat seams to make the ball travel farther, and Dura-Core technology to insure the ball keeps its shape and firmness.