AXE Bats 2015 L150B Avenge Composite (-10) Fastpitch Baseball Bat Ergonomically designed to fit your hands for enhanced comfort and better bat control Scientifically proven to accelerate swing speed, provide more efficient power transfer and reduce the risk of injury Two-time college softball player of the year Danielle Lawrie's game bat of choice 2-piece composite construction for maximum sweet spot and balanced swing; engineered for maximum performance with one-sided hitting ASA-certified for high school and NCAA-approved for 2015; comes with a 1-year warranty