Serengeti Fasano sunglasses for him and her add a sophisticated edge to the modern sports wrap design The preferred eyewear of professional drivers and athletes, Serengeti sunglasses have built a reputation for impeccable quality and performance These full rim shades are crafted in high-strength Plastic for unparalleled durability Featuring non-slip nose pads, spring hinges, and temple arm inserts, these frames stay in place for optimum performance Enhance your outdoor activities with an innovative wrap style in a choice of tints and colors with the Serengeti logo proudly displayed at the temples and lens frontThese 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.