Approved for use in NFHS baseball, Rawlings R100-H3 High School Baseballs are expertly constructed for the highest performance on the field. These durable baseballs feature a cushioned cork center surrounded by 15 percent wool windings. Rawlings raised seams offer improved grip on the ball while pitching and fielding when compared to flat-seam baseballs. Designed with full-grain leather covers, these high school baseballs offer reliable, long-lasting use in practice and official games.