A non-linear bat is a bat whose structure deviates from the traditional single wall, multi-wall and/or layered composite designs. The bats' performance will consistently and repeatedly produce BCT results softer than the existing threshold and have not produced a BBS over 98.

BCT: Barrel Compression Tester

BBS: Bat Ball Speed (98 mph is the maximum bat ball speed allowed for a bat to be USA Softball Certified)

 Click here for the Non-Linear Bat Compression Thresholds PDF (as of 8/18/2022)

For more: USA Softball Certified Equipment Information

Bat Tester Information can be found at www.barrelcompression.com