2022 Marucci CAT 9 Composite (-3)MDX, multi directional composite barrel is built with multi directionally patterned layers designed to create an ultra responsive barrel One of a kind, OLS, Outer Locking System, attaches the composite barrel to the composite handle from the outside in, creating the stiffest connection available, while dismissing virtually all vibrations on contact for the strongest, smoothest swing yet Two piece composite construction allows for a longer barrel with