EVO® VISTAlens® is a new generation safety helmet based on the proven Evolution® head protection technology; includes fully retractable optical class 1 eye protection; integrated goggles are easy to put on, adjust and maintain, so protection is at hand whenever needed; they are scratch resistant; anti-fog; provide UV protection - 2: UV filter (EN170) against harmful UV radiation; helmet withstands EN397 tests EN50365 Electrical insulation - For use in low voltage installations; this optional test ensures reliable protection against electric shock up to 1000 V AC or 1500 V DC