Jeremy Isenhower Signature Model Free Shipping 14 Inch Barrel Length 2 1 4 Inch Barrel Diameter Approved for Play in USSSA NSA and ISA Balanced Swing Weight - Ultimate Combination of Bat Speed and Barrel Control Certified 100 COMP - Utilizes 100 Premium Aerospace Grade Fibers to Deliver Legendary Performance Durability Full Twelve 12 Month Manufacturer s Warranty Made in the USA One-Piece Fully Composite Construction One of the best selling and most requested slow pitch bats ever produced is back for the new season - the Miken Izzy Psycho is here Just like the original Psycho this bat features a one-piece construction and is 100 COMP Certified. That means that it s made entirely from premium aerospace grade carbon fiber to deliver Miken s legendary performance and durability. The Psycho is built with Miken s 750X HPI Technology where ultra-tough epoxy is injected into the carbon fiber under high pressure resulting in a game changing performance and cutting-edge durability. But unlike Jeremy Isenhower s signature bat that features a full ounce end load the SYKOBU is perfectly balanced in order to optimize bat speed and barrel control through the hitting zone. But like the Izzy players receive a massive sweet spot through a 14 inch barrel length.