Worth Amp Fastpitch Softball Bat: * 1-piece bat provides a solid combination of performance and durability * Alloy barrel allows for an unrivaled hitting surface with maximum trampoline effect * Up to 30 percent thinner walls for more flex and higher bat speed * Center Load endplug designed to give the ball more flexibility * 5 percent more inertia to drive through the ball * Eclipse grip changes color in sunlight * Provides ultra-soft touch * Maximum sting and vibration reduction * X-Tended Sweetspot technology maximizes hitting area * 2.25" barrel * ASA, USSSA, NSA, ISA and ISF approved * 1-year warranty