EVO® VISTAshield® is a new generation safety helmet with rich features based on the proven Evolution® head protection technology; fully retractable Class 1 integrated face shield offers A-rated impact protection; glasses 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 and electrical insulation EN 50365 - For use in low-voltage installations; this optional test ensures reliable protection against electric shock up to 1000 V AC or 1500 V DC