Carrera CA101/S is a Full Rim frame for Men, which is made of Stainless Steel Front and Metal Temples.Hypoallergenic and nickel free, stainless steel is great for active eyeglass wearers because the frames won't lose their shape nor will they corrode or rust when it is exposed to water - Most metal frames are made out of Monel. Monel has a copper and nickel base. This metal can be corrosion resistant, strong, and easily adjusted. It retains its stability and shape This model features a Rectangular/Aviator shape, with a Single Bridge.These Sunglasses work well for people whose style is: Stylish Designer.Ideal for usage with: Fashion.Carrera CA101/S Sunglasses come with a cleaning cloth and protective carrying case.These sunglasses are available with a mirror coating option on certain colors. Mirror coatings are suitable for protection from intense light. A mirror coating reflects back light and reduces the amount of light passing through the lens. This makes it more comfortable for eyes in very sunny conditions.The sunglasses are available on certain colors with gradient tinted lenses - Gradient tints are tints that start off at a darker color at the top of a lens and then gradually lighten towards the bottom of the lenses. These tints are great for fashion and for reading outside on sunny days. Gradient coatings work by allowing an appropriate amount of light to filter through in certain areas and less in places where protection is most necessary.