Mizuno 2014 Whiteout End Load Fastpitch Softball Bat 3Z Technology targets 3 zones of the barrel to enhance and create a massive sweet spot for increased performance across the whole barrel Anti-Shock construction for less vibration and improved feel Mizuno's Techfire Technology for increased sweet spot utilizing three different levels of materials Cylinder seaming technique eliminates seams in the barrel for increased durability Approved for ASA, USSSA, NSA and ISA play