Constructed from Advanced Polycarbonate Composite Shell. Lightweight, superior fit and comfort using advanced CAD technology, aerodynamic shell with large eye port opening for greater visibility Advanced Ventilation System: adjustable dual forehead and chin vents, two rear exhaust vents, chin bar vent helps to diminish shield fogging Comfortable Interior: plush, brushed Nylex interior lining, removable and washable Rapid Fire Shield Replacement System: quick, secure, tool-less shield removal and installation system, aerodynamic, flush-mounted shield fit for reduced turbulence HJ-09 Anti-Scratch Face Shield: fog-resistant, scratch-resistant hard coating, optically correct 3D design, rated to block 95% of harmful UV radiation Built-in Communication Speaker Pockets Optional: Breath Guard and Chin Curtain DOT approved