Stylish 1/2 frame eyewear with inter-changeable cylindrical lensesLightweight TR90 upper frame frame and templesOne-piece cylindrical profile high definition vented polycarbonate lensREVO coloured mirror main lensInjection moulded rubber temple-tips and adjustable rubber nose-piece.Additional amber (low light) and clear (bad weather) lenses with flash mirror front and anti-fog back finishes includedSupplied with moulded EVA hard case protective lens sleeve and Endura embossed soft wipe microfibre carry pouch100% UV Protection in compliance with EN ISO 12312-1:2013Photochromic option also available