Lightweight TR90 upper frame frame and temples Removable N66 lower frame quickly converts the eyewear to a ½ frame style if preferred Injection moulded rubber temple-tips and adjustable rubber nose-piece. One-piece, cylindrical profile, high definition, vented polycarbonate lenses REVO coloured mirror main lens, with super-hydrophobic front coating and anti-fog back coating Additional amber (low light) and clear (bad weather) lenses with flash mirror finish, with super-hydrophobic front coating and anti-fog back coating Supplied with moulded EVA hard case, protective lens sleeve and Endura embossed soft wipe microfibre carry pouch Photochromic lens option available