Loading... Please wait...IMX™ composite. SST. CNT Carbon Nanotube. 100 hitting area rating. 80 swing weight (M.O.I.) rating. 95 VRS™ rating. 75 handle flex rating. 2 5/8" monster barrel. Ultra-Thin 29/32" handle with Pro-Tack grip. 400-day warranty. Designed primarily for boys ages 12-15.