Easton 2018 USA Baseball 2 1/4 S350 Youth Baseball Bat -11 Lightweight, yet powerful. Easton speed Brigade S350 -11 USA bat is made from ALX50 military grade aluminum for high performance and dependable durability. The -11 speed design, with a 2-1/4 inch barrel, has a fast swing weight for added power on contact, delivering the pop and performance you expect from Easton. Features: 11 length to weight ratio 2 1/4 inch barrel diameter Alx50 Military grade aluminum construction for extended durability Dependable and durable Fast swing weight