Universal field-mount riot face shield designed to fit most PASGT & ACH/MICH style combat helmets (not including helmets w/ rails). Integral rubber seal provides protection from liquids. Premium shield coatings feature an anti-abrasion hard coating on the exterior & permanent anti-fog on the interior. Optically correct lens. V-50 rating for fragmentation. Nylon material provides extra resistance to heat and impact. Protective area:0.082 m2, Thickness:4.5mm, Surface: anti scratch, more than 93% transmittance. V50:180-200m/s