Improve your swing with the Marucci CATX VANTA JBB USSSA Baseball Bat -10. The fine-tuned ultra-responsive barrel produces a balanced design for faster swing speeds, while the Outer Locking System creates a stiff connection and reduces vibrations for strong, smooth swings. The Stiffer S-40 composite handle delivers increased energy transfer, and the ergonomic handle taper allows for a better fit and more bat control.