Easton S2 COMP/ALUM Youth Baseball Bat, Green HMX Hyperlite Matrix aluminum barrel with two-piece ConneXion Technology SIC Black Carbon Handle eliminates vibration for better feel Handle Material:Ultra-Thin 29/32-Inch Composite Handle With All New 1.2mm Hyperskin Grip Certification: USSSA 1.15 Barrel Diameter: 2 1/4-inch