HJC CS-2N Motorcycle Half-Helmet (White, Medium) Advanced Thermoplastic Alloy Shell - Lightweight, Superior Fit and Comfort Using Advanced CAD Technology Impact Absorbing EPS Liner Adjustable Forehead Vents Removable Zip-Out Neck Curtain - Optional Ear Warmers with Built-In Speaker Pockets Aerodynamic Low Profile Visor - Optional Shields Available Easily Install Under Visor