Thanks to their photochromic lenses, these glasses work in every weather The lenses reach from Cat1 to Cat3 in their glare protection. Cat1 suits overcast conditions, while Cat3 is the darkest tint that is still recommended for use in traffic. This lens model highlights contrasts in an emphasized way. - Adjustable 3D nose pads - Durable Trivex lenses - Visible light transmission varies automatically between 17 and 75% - The temples have soft touch material for good grip but without sticking to your hair - Designed to work well even with a helmet - Ventilation for avoiding fogging - Panoramic view: the lenses give an excellent field of vision The first four images display the real colour of this product. Detail images may display other colours. 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.