All New 2009 Easton Stealth IMX BCN19 Senior League baseball bat is equipped with Easton's patented Integrated Matrix Technology (IMX) strengthens composite structures, optimizing the design process and materials for maximum performance on this Easton Stealth BCN18 Senior League Bat. Premium quality aerospace grade composite fibers are positioned and layered to maximize the hitting area of the barrel, and provide extraordinary feel. This Senior League Baseball Bat has a comfortable -9 Length-to-Weight ratio, and Ultra-Thin 29/32" handle with Pro-Tack Bat Grip. This Easton Stealth BCN19 includes CXN Patented ConneXion Design System Composite technology that expands the hitting surface on the barrel. Also CXN Composite Enhanced Baseball Bat provides elimination of vibration, and also allows multiple flex ratings for handle design. CNT Carbon Nanotube Technology reinforces the bond of Easton's multiple wall design for optimum levels of durability and performance. This Easton bat includes Pro-Tack Bat Grip, 31/32" Tapered Handle, Handle Flex Rating of 60, and has VRS (Vibration Reduction System) Rating of 95. Easton Stealth BCN19 IMX Composite Senior League Baseball Bat CNT Carbon Nanotube Technology IMX Composite Baseball Bat Patented ConneXion Technology< /li> 2 3/4" Barrel -5 Length-To-Weight Ratio Pro-Tack Bat Grip 29/32" Ultra-Thin Handle Handle Flex Rating -60 VRS Rating -95 400 Day Warranty