Advanced Polycarbonate Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology. Pinlock® Insert Prepared Faceshield: Optically superior 3D design provides 95% UV protection and an anti-scratch coating. Pinlock Insert Included. Rapid Fire Shield Replacement System: Quick, secure, tool-less removal and installation. 2-stage Shield Closure Mechanism: Compresses shield into the eye port gasket providing an extremely secure seal. "ACS" Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out. Speedcool Interior: Removable and washable. Built-in communication system speaker pockets. Multi-layer foam cheek pads for increased flex which provides optimum fit and comfort. SNELL M2010/DOT Approved XXX-Large DOT Approved Only