Miken Vicious 13" Maxload Dual Stamp Slow Pitch Softball Bat: MPAV20 Play on all fields with the new Miken Vicious. With its unique two-piece alloy, multi-wall design, this is a highly sought after bat for somewhat restricted leagues where composite is not allowed. The E-Flex 700 alloy provides peak performance out of the wrapper as well as increased durability and performance. Bat Benefits The Miken Vicious features a 2 1/4" barrel diameter, longer 13 inch barrel length, and slightly end loaded swing weight. The Vicious is approved for play on all fields, which includes ASA, USSSA, NSA & ISA leagues. Order today with fast, free shipping! Warranty The Vicious comes with a full 12 month manufacturer's warranty.