Wilson DeMarini Voodoo Comp/Alloy Baseball Bats feature: A combination of composite handle and SC3 high performance alloy barrel Barrel profile is optimized for an end-loaded feel to drive through the ball Half & Half Technology redistributes weight allowing a faster swing with less effort Ion End Cap reduces feedback on off center hits for an increased sweet spot Positack grip material has moisture wicking properties for a more secure grip Composite handle is balanced and ultra-light Senior and Adult bats have 2 5/8" barrell Youth bat has a 2 1/4" barrel Meets the 1.15 BPF standard