Our highest-performing composite softball bat to date is not only ultra-responsive with explosive sound but breaks in quickly and is game-ready out of the wrapper. Newly engineered, MDX composite construction barrel is built with a multi-directional composite design to create an ultra-responsive barrel with explosive sound  2nd Generation AV2 Anti-Vibration knob features an upgraded, finely tuned harmonic dampening system for better feel and less negative vibrational feedback Ring-free barrel construction allows for more barrel flex and increases performance with no "dead" spots One-piece composite construction provides a clean, consistent, traditional swing Micro-perforated soft-touch grip with extra tack improves feel and control Certified for WBSC (ISF), ISA, USSSA, USA (ASA) 2 ¼” barrel diameter