The All Association Approved Mayhem is a balanced one-piece performance composite design engineered with an ultra stiff handle for maximum power. The multi-layer composite core provides exceptional rebound and maximum durability. The 2015 Worth Mayhem All Association bat is manufactured using Worth's patented technologically advanced manufacturing process to ensure one of the strongest and highest performing bats available. The Mayhem features balanced loading for one of the most true-to-weight feel providing serious players maximum control and consistency. The 2015 Worth Mayhem All Association is approved for play in ASA, USSSA, NSA, ISA, ISF and all other associations across the USA. FEATURES: Patented Mayhem technology, 100% Composite - The 2 1/4 diameter barrel is made solely from high performance composite materials, Balanced Loading - A true-to-weight feel with a smooth, balanced swing will maximize bat control providing consistent performance, Made in the USA - Proudly manufactured in the United States of America, Approved By - ASA, USSSA, NSA, ISA and all associations, 12 month manufacturer warranty from date of purchase from an authorized dealer.