FEATURES: E-Flex 360 Barrel is designed with our exclusive C-4 Carbon Fiber which allows for maximum Flex, Performance and Durability. F4P Improves the handle to barrel energy transfer to maximize barrel flex. 100% composite, 2 Piece design Approved by USSSA, NSA and ISA Maxload weighting for maximum distance 25oz, 26oz, 27oz, 28oz