MIZUNO CRBN1 - FASTPITCH SOFTBALL BATMizuno's new one piece design is full of innovative bat technologies to maximize performance. XZone technology creates a massive sweet spot. A new and improved Anti Shock construction in the taper further reduces shock and increases durability. Engineered details like an Optimized End Cap create a booming sound and an increased sweet spot. Cylinder Seaming: Allows for consistent performance and durability across the barrel. Speed Helix Grip: Designed