Julbo Drus Nickel Spectron Category 4 Lens. A classic mountain style thats been brought up to date with quality lenses that filter out harmful UV rays. A stylish modern shape with a comfortable nose piece. Designed for serious mountain use with removable nose piece & leather side shades for full on protection from harsh mountain sun & wind. The lightweight metal frame with malleable ear hooks allow for a comfortable & fully costomisable fit. Featuring Julbos Spectron 4 polycarbonate lenses which are very strong & light with a visible light transmission rate of 5% they are unsuitable for driving. Classic glacier glasses for high altitude climbing & harsh light situations Removeable full leather side shields for maximum protection at all times Anti-reflective & Anti-fog finish on lens Water-repellent: water slides off the lens easily Oil repellent: reduces finger marks for easier cleaning Free protective case