New Other Marucci CAT9 USSSA Senior League Baseball Bat, 2 3 4" 29 21 Black Red Olive Citron One of those series is Medium:Navy White Red One of those series is the Prospect Series 10% Polyester knit jersey our new AZR alloy offers a more responsive microstructure for better feel more forgiveness and more performance while maintaining the same strength as its predecessor Multi variable wall design creates an expanded sweet spot and thinner barrel walls that are more forgiving after off centered contact Ring free barrel construction allows for more barrel flex and increases performance with no "dead" spots Precision balanced barrel results in a lower M