Thunder ZN Series Softball

12" Ball. Composite cover bonded to poly core. The cover on this series is thinner than all others allowing more contact with the core, which means more distance.

• USSSA Regulations do not allow the cor or compression to the stamped on softballs.
• New USSSA models are: "STADIUM" is .47 COR, 450 compression, and "Classic M" is .40 COR, 325 compression.
• Softball and Baseballs are not eligible for free shipping

Notice:  On the 30th of July 2012, the ASA version of the ZN has been added to the ASA's banned list.  Before buying, make sure you can use them!