If your game is slow pitch softball, then your ball is the ASA Thunder SY Polycore Softball. Deliver your best game with the best ball in softball construction.
- Center: Hycon Poly-Core Technology
- Steady compression in both high and low temperatures
- Lower compression design results in less damage to bats
- Cover: Composite
- High COR maintains maximum performance
- ASA Official
- Designed for Slow Pitch
- COR: 0.44
- Compression: 375 lbs.