Louisville Slugger constructs the SUPER Z Slowpitch Softball Bat as a 2-piece made out of 100 composite material giving you great durability and limited vibration so you can maximize your potential at the plate The Super Z has the Grit Blast finish on the 12 barrel which is a sandpaper-like finish that will increase the spin on the softball ultimately increasing the distances of your hits as the ball explodes off the barrel. The iST Technology makes the Super Z extra stiff giving you a very sturdy-feel without excess flex as you swing through the hitting zone. This particular Super Z slow-pitch softball bat is made with an end-loaded swing weight and is approved by USSSA NSA and ISA softball associations. Get your Super Z today right here No Hassle Returns Guaranteed 2016 Super Z Softball Bat Features NEW extra stiff iST Technology 2-piece bat construction 100 composite design Grit blast finish End Loaded Swing Weight 7 8%94 tapered handle 12%94 barrel USSSA 1.20 BPF NSA ISA approved 30-Day Performance Promise One Year Manufacturer s Warranty