After years and years of research and development, Marucci has finally introduced their first fully composite two-piece baseball bat. Whether you are a contact or a power hitter this bat is built to help you perform at the highest level. With the MDX multi-direction composite barrel which is designed to create an ultra-responsive barrel.  The mid-loaded barrel design offers the perfect mix of balance and endload. The OLS (Outer Locking System) provides a stiff connection of the barrel to the handle while also removing all unwanted vibrations on contact for a smooth and strong swing You can feel confident that you have the best BBCOR baseball bat available when purchasing the Marucci CAT 9 Composite Pastime BBCOR Baseball Bat.  Product Features:  America Pastime Paint Scheme -3 Length to Weight Ratio 2 5/8" Barrel Diameter Endloaded Swing Weighting 2 5/8 inch Barrel Diameter 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 more surface area for maximum contact Ring-free barrel construction allows for more barrel flex and increases performance with no "dead" spots Balanced design with low M.O.I. giving all players maximum swing speeds Sting-free comfort knob is nylon molded with an ergonomic design to improve comfort and increase control Micro-perforated soft-touch grip with extra tack improves feel and control The CAT9 Composite comes standard with a white 1.75mm grip Grip weight and manufacturing tolerances may cause slight deviation from the listed weight BBCOR Certified For High School and Collegiate Level Full Twelve (12) Month Manufacturer's Warranty Legal For Play In Intermediate (50-70), and Junior League Divisions Of Little League