HJC IS-33 Open-Face Motorcycle Helmet (Black, Medium) Advanced Polycarbonate Composite Shell - Lightweight, superior fit and comfort using advanced CAD technology Impact absorbing, multiple density EPS liner One-Touch Patent Pending Integrated SunShield - Smoke-tinted SunShield deploys quickly and easily - Three Stage Multiple positions with locking mechanism - Anti-Scratch 3D face shield provides 95 percent UV protection QuickSlide shield system, tool-less removal and installation [HJ-17] - Multiple optional Face shields and SunShields available ACS Advanced Channeling Ventilation System - Full front to back airflow flushes heat and humidity up and out