Mizuno Whiteout 2 Xtreme End Loaded Fast Pitch Bat (-10) New Double wall composite design used to maximize performance 3Z technology targets 3 zones of the barrel to enhance and create a massive sweet spot for increased performance across the whole barrel Black Onyx carbon utilized for maximum performance and durability Cylinder seaming technique eliminates seams on the barrel and improves the lifespan of the bat Unsurpassed sweet area for ultimate forgiveness