Worth ASA Fastpitch Stamped 11-Inch C11RYLA Leather Ball (Pack of 12) 11 Inch ASA Fastpitch .47 COR / 375 Compression High Density Cork Core Pro Leather Cover 88 Red Stitch 11" inch optic yellow ball .47 COR and 375 lbs compression Leather cover 88 red stitch High-density cork core