RIP-IT 2014&nbsp;Drop Ten AIR F1410 Fastpitch Softball Bat Features a Harmonic Barrel for exceptional performance and sensational pop Made of only the strongest composite material: R2 Composite Features revolutionary AIR Technology to create a fast, balanced and powerful swing Includes the revolutionary Ridge Grip which eliminates sting and maximizes comfort Legal for ASA, USSSA, NSA, ISA, High School and NCAA