Welding protection classification: 5 (lens: PC, grey) F (F). Three protection classes, grey coloured lens. Perfect colour recognition according to EN 172. Comfort and appearance without compromise. The goggles ensure maximum comfort for the wearer. The uvex duo component technology - a combination of soft and hard components ensures maximum comfort. Soft components on the sensitive parts of the face (nose, forehead, ears) ensure long-lasting comfort. Available with adjustable stems - for a custom fit. The inner surface of the lens is permanently anti-fog and the outer surface is highly scratch resistant. UV and IR protection - Mechanical resistance: F (45 m/mp)