Easton Fp11Sy10 Fastpitch Synergy 10 Length to Weight Ratio Speed Bat IMX Composite barrel optimizes the sweet spot for maximum performance, Ultra thin 29/32" CNT composite tapered handle with performance diamond grip Single System Technology for increased bat control and balance Lower M.O.I. means lighter swing weight and faster swing speed 98 MPH performance; complies with all current Bat Performance Standards- ASA, USSSA, NSA, ISA, SSUSA, ISF