Sturdy replacement lenses for Stealth? safety goggles are impact-resistant. Excellent visual clarity improves efficiency and safety. Uvextreme? lens coating provides anti-fog, anti-scratch and anti-static protection. Meets ANSI Z87.1-2003 and CSA Z94.3 safety standards. Material(s): Polycarbonate; Antifog: Yes; Fits: Stealth? Safety Goggles (sold separately); Coated Lenses: Yes.