Used. Marucci CAT9 USSSA Senior League Baseball Bat, 2 3 4" 31 23 Black Red 31 23:Black Red Smooth woven fabric is incredibly Aqua Navy Smooth woven fabric is incredibly light & breathable Mesh backed vents across back delivers strategic ventilation 30+ UPF protects you from the sun's harmful rays Stain release materials and features a tunnel belt loop waist and two set in back pockets with a button closure 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 Utilizing a three stage thermal treatment process