Created specifically for 14U youth Baseball leagues, Raised Seam Baseballs are expertly constructed with composite cork and rubber centers and full-grain leather covers. Compared to flat-seam Baseballs, raised seam Baseballs help improve your grip for pitching and fielding. These competition, grade Official Junior League Baseballs are also available in tournament grade with a cushioned cork center. Designed for 14U Official Junior League youth Baseball Raised seams deliver improved grip over flat-seams Composite cork and rubber centers Durable full-grain leather covers Competition Grade.