DeMarini WTDXVX5 Vexxum Senior League Baseball Bat (-5) Bat with innovative blend of aluminum barrel joined by DeMarini's direct connect power transfer technology to custom composite handle Exclusive SC4 extrusion process tunes the walls down entire length of the barrel for optimized sweet spot C6 composite material in the barrel boasts the biggest weave for optimum flex, balanced feel, and remarkable power N2M end cap is scientifically tuned to absorb vibration while maximizing power, and comfort is further boosted thanks to tac-heavy, two-piece grip Includes limited one-year manufacturer's warranty