Joe Rocket Speedmaster Motorcycle Helmet (Carbon Fiber Weave/Black Titanium, Large) Ultra Lightweight Full Application 4 x 4 Carbon Fiber Weave Shell; Hat Size: 7-3/8 - 7-1/2 Optically-superior 3D Face shield: Hard coated anti-fog coated shield, tool-free closure Quadport 2.0 ventilation system: 2 massive front intakes channeled through to an aero-dynamic rear venture effect exhaust spoiler, pulling heat and humidity up and out Fully removable, washable and sublimated QWICKDRY Interior; Dual Density, Lightweight EPS impact absorbing liner; Superior fit and comfort through advanced CAD specifications Meets or exceeds both Snell and D.O.T standard