Easton SG1 Rival Slowpitch Softball Bat 98 MPH performance; complies with all current Bat Performance Standards - ASA, USSSA, NSA, ISF, ISA, and SSUSA THT100 Aluminum alloy for greater durability, strength and toughness EASTONS O-Zone technology creates widest sweet spot of any aluminum bat Low M.O.I. for lighter swing weight and faster swing speed 12" barrel length