PERFORMANCE TECHNOLOGY: Introducing the Mizuno Cage Bat - designed for relentless training and batting cage sessions. Crafted with an unwavering focus on durability, this bat is purpose-built for intensive use in batting cages and training environments. One-Piece Composite Construction: For maximum mobility and comfort. Anti-Shock Construction(TM): Reduces vibrations felt in the hands for a more comfortable swing. Cylinder Seaming: Allows for consistent performance and durability across the barrel. Optimized End Cap: Great sound on batted balls, while also positively affecting the bat's sweet spot to give you more pop. Speed-Helix Grip: Designed to provide comfort and durability. ADDITIONAL DETAILS: NOTICE : Baseball/Softball Bats are only eligible for return if they have not been used.