Easton Sl13S110 S1 Composite-10 Senior League 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 IMX Composite barrel optimizes the sweet spot for maximum performance 2-5/8" diameter barrel, USSSA 1.15 BPF Certified