Take the field with Diamond(R)'s elite, top performing high school ball, the Diamond Sports(R) D1-Pro Baseball. The NFHS(R) Ball is constructed with an ultra-premium full-grain leather cover, cushioned cork center, and grey wool windings for outstanding durability and consistent play. Ball Features and Specifications: Cover: Ultra-premium full-grain leather for enhanced durability Core: Cushioned cork Windings: Finest grade grey wool blend Stitching: Diamond Seam(TM) (raised red seams) for excellent control and grip League/Certification(s): NFHS(R) approved and licensed Recommended Age: Adult