The Bolleacute; Safety SILIUM#43; Safety Glasses have CSP lenses. This coating is an effective solution for all activities that alternate exposure to bright light and low light, while also being suitable for extreme temperature environments. With PLATINUMreg; anti-scratch and anti-fog coating. Specification Lens Type: CSP, Anti-Fog and Anti-Scratch.Lens Conforms to: EN172-Solar 1.4.Frame Conforms to: EN1661F.