Experience maximum performance right out of the wrapper with the Easton? Fire Fly? -12 fastpitch bat. It?s Seamless Carbon Construction runs the length of bat barrel, providing uniform strength and perfectly tuned max performance for a softer, more flexible barrel. 2-Piece ConneXion+? technology features Nitrocell? foam, creating a lighter and better feeling connection between the handle and barrel. Computer-controlled Precision Molding Technology produces an ultra-consistent, lightweight wall for optimal performance on every swing. Available in -12 and approved for play in USA (ASA), USSSA (FASTPITCH ONLY), NSA, ISA, WBSC (ISF).