Easton Youth Yb13S2 Composite/Tht100-13 Baseball Bat Speed design for low M.O.I. and faster swing speeds Patented two-piece ConneXion technology for optimized feel at impact while maximizing energy transfer Ultra-thin 29/32" SIC black carbon handle with performance diamond grip THT100 scandium alloy barrel for greater durability and expanded sweet spots 2-1/4" diameter barrel, USSSA 1.15 BPF Certified