Worth 11 ASA NFHS Fastpitch Dream Seam Softballs FASTPITCH BALLS - ASA AND NFHS SOLD IN DOZENS MODEL: C11RYLA - PRO-LEATHER MODEL: C11RYSA - PRO-TAC Pro-Leather = Leather cover Pro-Tac = Synthetic Leather cover FEATURES: - 11 / .47 COR / 375 lbs / ASA - Pro Leather Yellow Cover OR PROTAC Synthetic Yellow Cover - ASA / HS Stamped - Cork Core - Raised Seam Dream Seam - Fast pitch - Cork core center For teams wanting the distinctive sound and feel of cork.