Mizuno 2016 Nighthawk Softball Bat New x-zone Technology adjust composite angles into 10 specific zones to expand the sweet spot and create higher exit speeds across the barrel Double wall Technology provides thinner walls with added durability. Allows for higher peak performance out of the wrapper and larger sweet spot Patented 2-piece link construction combines both a composite barrel and composite handle connected with a vibration eliminating elastomer Stiffer carbon fiber handle decreases the amount of energy that is lost with impact to the ball to create higher ball speeds across the barrel 30 day performance guarantee. Approved for play in all associations: ASA, USSSA, NSA, ISA & ISF