Easton Sl13X18 Xl1 Composite-5 Senior League Baseball Bat Extra-long barrel design for massive sweet spot and expanded hitting zone 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