... 1.Material:Polycarbonate lens 2.UV protection,anti-impact,anti-fog,anti-scratch 3.EN 166 Anti-scratch, Anti-fog Polycarbonate safety glasses ( Our model No. SG3020 ... , adjustable ear stems safety spectacles.Material: Lens- Polycarbonate Lens , Anti-scratch, Anti-fog, Anti-static, Anti-UV; Color/ colour: Lens - Clear, yellow, smoky, grey. Features ...