Serengeti Sestriere is a Full Rim frame for Men and Women, which is made of Grilamid.Grilamid is a hypoallergenic thermoplastic. It is typically molded and is flexible, extremely durable, lightweight, and resists aging. It is 20% lighter than Zyl and can be made in a wide variety of colors. This model features a Rectangular shape, with a Single Bridge.The Serengeti Sestriere Sunglasses feature the following logo: Serengeti on temple. These Serengeti Sestriere Sunglasses flatter people with the following facial features: Thin Face.These Sunglasses work well for people whose style is: Classic, Stylish Designer.Ideal for usage with: Fashion.Serengeti Sestriere Sunglasses come with a cleaning cloth and protective carrying case.These sunglasses are available with polarized lenses on certain colors. Polarized lenses have a filter within the lens that blocks the wavelengths of light that cause glare. They can greatly enhance contrast and allow for greater depth of vision, especially in water. They are ideal for any situation where glare reduction is necessary, like driving or playing sports.These sunglasses are available with photochromic lenses on certain colors, which are light sensitive and adjust to varying light conditions. The color goes from dark in sunny conditions to clear in cloudy or indoors conditions.