New Other Baum Bat Composite Wood Baseball Bat AAA Pro Ash Adt 31 28 Blk 180425 31":Black Blue 3 4 height synthetic leather upper for ankle No Dents 3 4 height synthetic leather upper for ankle support tech graphics allow players to easily track the ball Foamed Plastic Core Composite Reinforcement Surrounding Core Provides Unmatched Durability 3 Length To Weight Ratio NCAA & NFHS Approved Approved For Minor League Game Play By Major League Baseball and Perfect Game Events 505 Inch Barrel Diameter Standard Knob Ash Wood Exterior Shell BBCOR Certified For High School & Collegiate Approval Very Balanced Swing Weight Up To 400X Stronger Than Wood Massive Sweet Spot