DeMarini Stadium CL22 Slow Pitch Softball Bat 12 inch S.One composite barrel: used exclusively in our Stadium power series bats - the S.One composite is designed for maximum stiffness and explosive performance Znx alloy handle: by increasing stiffness and durability, the znx alloy handle flexes less and forces the barrel to deflect more for increased overall barrel performance Big D end cap: stiff end cap designed to increase the end load and keep the power in the sweet spot USSSA, NSA, and ISA approved