Mizuno 340695 PWR ALLOY - Big Barrel Youth USA Approved Bat (-10) - Black-RedMizono PWR ALLOY Big Barrel Youth USA Approved Bat ( 10) Engineered with aerospace grade Aluminum Alloy, the Mizuno PWR Alloy offers great performance and durability, while also providing a balanced swing weight for increased swing speed. A Multiband Barrel design incorporates multiple thickness levels along the barrel to create a wider speed spot for more forgiveness and explosive power. One piece construction generates less flex and more energy