Protects against harmful UV and IR radiation in welding, brazing, cutting and solderingHard coat is permanently bonded to the lens and is scratch and chemical resistantSpecially formulated ultra-strong and ultra-flexible material provide unmatched durabilitySoft touch temples and flexible nose piece are slip resistant and provide comfort for hours on endLightweight frame construction is built for all-day useWraparound style lenses extend protection to the peripheryConvenient neck cordNot intended for arc weldingDesigned to be used with other welding equipment such as face shieldsMeets or exceeds ANSI Z871.1 high impact standard, CSA Z94.3 and CE 166