Klim F3 Carbon Motocross Helmet Visions of riding fast and light across thrilling terrain had us build the chassis from ultralight hand-laid carbon fiber for the best consistency in shell thickness and resin distribution. The F3 Carbon is the lightest ECE helmet we were willing to make without sacrificing any safety. Features: Carbon fiber hand-laid shell shell construction process avoids deposits and imperfections triple-density EPS extra large eye ports for maximum vision high efficiency ventilation 13 intake vents 6 exhaust vents direct vent EPS design shell structure designed for maximum strength with light weight neck brace compatible extremely comfortable antimicrobial liner moisture-wicking liner 3D cheek pad foam 3 shell sizes, 3 EPS thicknesses for optimal fit Specifications: ECE 22.05 fid-lock? quick release strap Carbon fiber hand-laid shell Contents: 1 x Klim F3 Carbon Motocross Helmet 1 x Helmet Bag