Wilson Worth 12" ASA Hot Dot Slowpitch Softball (Dozen) These 12" slow pitch softballs have .52 COR and 300 lbs compression with red stitching and are approved for play in the ASA. Sold in dozen Softballs features a SYCO composite leather cover for added durability with Worth's C-LOK technology that repels moisture and maintains higher compression. Worth Hot Dot softball technology is designed to give players consistent hit distance at all temperatures, especially in hot weather conditions.