New Marucci CatX Vanta Composite 10 USSSA Baseball Bat: MSBCCPX10V Size:31 21 ISF and USSSA (no stamp) Maroon Gray Black White ISF and USSSA (no stamp) certifications written on the bat stays closer to your head and moves with you ABS Shell: High grade shell for strength and durability Dual Density: Foam padding provides protection and comfort 18 Vents: Keeps you cool behind the dish NOCSAE Approved: Meets the NOCSAE standard for Catcher's helmets helping athletes generate faster swing speeds while maintaining the larger composite barrels Outer Locking System createsA the stiffest connection available while dismissing vibrations on contact for the strongest smoothest swing yet Ergonomically designed handle taper for each weight drop allows for better fit