Used 100 Slowpitch Softballs all 44/375 Perfect for batting practice training. Free delivery and local pick up available. 44/375 softball is a high-performance slowpitch ball with a Coefficient of Restitution (COR) of .44 (measuring bounciness) and a compression rating of 375 lbs (measuring hardness). It flies much further and hits harder than standard .52/300 balls, and is commonly used in USSSA, NSA, and Senior Softball (SSUSA) play.
