Worth 2014 Storm 13 Fastpitch Softball Bat If you're looking for an ultralight bat to maximize your swing speed, look no further. The Worth 2014 Storm fastpitch/softball bat is designed with Worth's strongest aluminum and gives you the trampoline effect you're looking for. Get that pop throughout the barrel with the extended sweet spot. HyperLite Designed for players looking for an ultralight bat, producing the maximum swing speed. XTended Sweet Spot Largest sweet spot in aluminum bats created by extending the barrel 1.5 2 longer. Lithium Worth's strongest aluminum powers thin walls and shells for maximum trampoline. Bat Specifications Drop: 13 Fastpitch bat Barrel: 2 1/4 Certified: ASA, USSSA, NSA, ISF and other associations Barrel Load: Balanced Material: Lithium Aluminum Alloy Construction: Onepiece Warranty: One Year Manufacturer's Warranty Available Sizes: 29in 16oz,30in 17oz,32in 19oz.