Modern large lens size and design with a touch of retro styling - the Density is the right choice for those who appreciate both looks and top notch optical quality. The cat3 mirror lens offers glare protection. The Spectron HD lens used in this particular model enhances contrasts, making it easier to spot detail on roads, paths and ski tracks. Cyclist's eyes have truly been blessed with the advent of the latest fashion of large sport glass lenses: more protection, less runny eyes. - Frame size: adult's Large, the wider of the two adult frame sizes - Lens base colour: neutral grey, gold flash mirror - The lens is a contrast-enhancing mirror finish Spectron3 HD lens - Visible light transmission 15% - Wide field of view - Flexible nose pad - Temples are 138 mm long, with a pleasant material, easy to form for a perfect fit - Weight: incredibly low, at 20 grams - Frame width 148 mm, bridge width 15 mm, temple length 138 mm, lens width 135 mm Julbo has been making sunglasses for more tha