Wilson Little League Fastpitch Softballs (1 Dozen) LITTLE LEAGUE PLAY Core: Compression Controlled Polycore: Polycore softballs do not break down during play as quickly as cork softballs making them the most consistent playing softballs available. WTA9074BSST:12 AGES:12 Up WTA9274BSST:11 AGES:11 Under Cover Material: Frequency Matched Optic Yellow, Leather, Red Stitch