With its one-piece optical class 1 anti scratch polycarbonate lens the B-Line range offers the wearer all round protection and an excellent field of view with side arms that pivot to provide an individual fit. Available with a clear or smoke, anti glare lens.Protection:Solar radiations risks: EN 172Filter protection for industrial solar radiation.Recommended for outdoor work, EN172 norm guarantee a protection of 99.99% of ultra-violet solar radiation.Levels of application: 5-2.5 and 5 to 4.1 (smoked )Lens color: smokedMechanical risk - Low energy impact - FLow energy impact, resists a 6 mm, 0.86 g ball at 45 m/sMechanical risk- High speed particles at extreme temperatures - TThe letter T, immediately after the mechanical strength symbol, authorises use for high speed particles at extreme temperatures.Lens Quality:Optical class symbols 1 : Continuous workCoatings:Anti-scratch coatingThe anti-scratch coating acts as a shield that improves the resistance of lenses and reduces the formatio