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 first three images display the frame and lens colour that come with the glasses. Extra images display another combination. - The lens is a contrast-enhancing mirror finish Spectron3 lens - Visible light transmission just 12% - 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 Julbo has been making sunglasses for more than 135 years. By buying Julbo, you are investing in a quality product and can rest assured the glasses offer perfect UV protection.