Easton Jbb13S1 S1 Composite-12 Youth Baseball Bat Speed design for low M.O.I. and faster swing speeds IMX Composite optimizes the sweet spot for maximum performance Ultra-thin 29/32" IMX composite handle with pro tack grip Recommended for use by ages 8 and under 2-3/4'' diameter junior big barrel design, USSSA 1.15 BPF Certified