Miken Rev Ex Youth -12 Baseball Bat USSSA 1.15 BPF Certified, Little League, BABE RUTH, DIXIE, PONY, AABC Player Benefits: The new Rev-Ex one piece 100% composite youth bat continues to get better. Hotter out of the wrapper performance with unmatched durability. By lowering the overall MOI, players can swing faster. 750X HPI™ (High Pressure Infusion) injects ultra-tough epoxy into the highest grade aerospace carbon and aramid fibers at 750 pounds per square inch. Extreme pressure and premium materials produce a game changing level of performance and durability. Details: Barrel: 2 1/4 100% Comp Sizes: 28, 16 oz 29, 17 oz 30, 18 oz 31, 19 oz 32, 20 oz MADE IN THE USA!