Easton®YBB19GXE10 Ghost X Evolution-10 2 5/8in Baseball Bat - 31in 21oz Advanced materials. Explosive power. The 2018-19 Easton® Ghost® X Evolution -10 is a two-piece EXACT Carbon composite design with a speed balanced swing weight. Eastons new CXN EVOLUTION two-piece construction uses NITROCELL foam, creating a lighter and better feeling connection between the handle and the barrel, and a new Speed Cap design helps create a more flexible and responsive barrel, while also enhancing the sound of the bat. The -10 speed balanced design delivers a lighter swing weight for more speed behind the ball at contact, and Eastons® DYNAMIC FEEL SYSTEM with CXN EVOLUTION technology provides outstanding all-around feel and performance. This 2018-19 Easton® Ghost® X Evolution model has a 2-5/8 barrel and features a custom Lizard Skin grip for the best feel, cushion and tack. It is approved for play in leagues and associations that follow the USA Baseball standard. Features: 31in 21oz 2 piece Carbon composite design 10 speed balance Custom Lizard Skin grip Approved for play in leagues and associations that follow the USA Baseball standard