2014 DeMarini CF6 INSANE (-10) DXCFI Fastpitch Softball Bat 32&rdquo;/22oz Using our new Paradox Composite, we've made a stronger composite that is shaped to perform softer. This makes for a bigger, hotter, more responsive sweet spot, which leads to consistently powerful swings. Certification: ASA,USSSA,NSA,ISA,ISF Half+Half 2-Piece Design The Clutch End Cap dampens vibration for a smooth swing while keeping energy focused in the barrel so balls pop off with authority. Stacked Double Wall Construction Two is better than one. The next generation of Stacked Double Wall creates a trampoline effect across the entirety of the barrel, optimizing performance.