These official 12″ K-Master fastpitch softballs have .47 C.O.R. And 375lbs compression with white stitching and covers. These Worth’s ISC softballs have a high density poly-x cork and Syco composite leather cover for added durability.
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Superior materials: poly-x cork and Pro Tac synthetic leather cover
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Specs: .47 C.O.R., 375lbs. Compression
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Size: 12″