12-inch S.ONE Stacked Composite Barrel: Used exclusively in our Stadium Power Series bats â€" the S.ONE composite is designed for maximum stiffness and explosive performance. The stacked triple wall design is engineered to create a little more weight in the barrel and plays a little stiffer than the Senior ONE Balanced.</br>.6MM Grip and RCK Knob: New grip and more comfortable knob added for improved feel and design.</br>Approved for play in SSUSA, SPA & ISSA</br>No Warranty</br></br>Product Description</br></br>When someone tells you to act your age, you can now assume they're telling you to crush the ball with overpowering force. The Senior Balance delivers the power and balance you need to dominate the field. With age comes beauty -- and there's nothing better than the Senior Balanced.</br>