With Mizuno's Techfire technology for increased sweet spot utilizing 3 different levels of materials. The Fenzy 2 has Black Onyx for improved durability and feel and an anti-shock construction for less vibration and improved feel. With a cushioned grip and a lower swing weight which allows for increased bat speed and control. Meets all 2009 Bat Standards- ASA, USSSA, NSA, ISA, and ISF