The 2017 Easton Z-CORE Speed BBCOR Baseball Bat: is constructed with the aforementioned materials of last years Z-CORE HMX with an all new design. Also known as The King of Ping, this Z-CORE SPEED is wonderfully created into a one-piece fully alloy design that offers a low swing weight, extremely fast swing speeds, and one of the longest aluminum barrels in the game. Within that barrel, Easton's trademarked Z-CORE internal core technology combines with the HMX (Hyperlite Matrix) alloy to deliver the biggest sweet spot and the most pop of any BBCOR barrel in the game. Furthermore, the 2017 Z-CORE SPEED BBCOR Baseball Bat's thin 31/32 inch tapered handle comes wrapped with Easton's HYPERSKIN Grip that provides ultimate comfort while reducing vibration and sting. Overall, the was created for the players who are looking for an evenly balanced bat without sacrificing power. Easton: More Ping From Every Swing!