The Louisville Slugger Solo 619 is a solid USA bat option built around a one-piece alloy build and Speed Ballistic Composite, with a balanced swing weight for consistent contact. That alloy-heavy construction is ready out of the wrapper with no break-in period. LS Pro Comfort Grip provides a secure handle feel and consistent leverage. Available in -11 drops, with lengths from 28-31 in, certified for USA Baseball play.