Smith Optics' sunglass collection carries on Smith's legacy of innovative frame engineering, outdoor adventuring, and fusing classic and modern designs. From environmentally-friendly frame materials to Smith's PivLock interchangeable lens system, Smith Optics sunglasses are created to outfit those people whose lifestyle and success rely on clear vision and thorough protection from the sun and the elements. Smith Optics sunglasses are characterized by sharp detailing, 100% UV protection, expert polarization, and smart styles. Many of Smith's sunglasses are even equipped with built in military-level protection. Smith Optics sunglasses, like the forward thinking adventurers who wear them, seek to push the envelope on performance and scale the cutting edge of style.Smith Serpico Slim/S is a Full Rim frame for Men and Women, 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 an Aviator shape, with a Double Bridge.The Smith Serpico Slim/S Sunglasses feature the following logo: Smith name logo on left lensThese Smith Serpico Slim/S Sunglasses flatter people with the following facial features: Long Nose.Alternate Fit. Alternate Fit frames have a specially designed bridge for those with higher cheekbones and wider nose bridges. Alternate fit ensures the frames rest on the nose and prevents sliding.These Sunglasses work well for people whose style is: Classic, Sporty.Ideal for usage with: Everyday Driving, Motorcycle.Smith Serpico Slim/S 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.