Hugo Boss Black Boss 0727/S is a Full Rim frame for Men, which is made of Optyl Plastic.Optyl is a thermosetted plastic material, which is not only hypoallergenic but is also treated to a special surface coating which makes it resistant to sweat and cosmetics. This model features a Rectangular/Square shape, with a Single Bridge.The Hugo Boss Black Boss 0727/S Sunglasses feature the following logo: Hugo Boss name on the templeThese Sunglasses work well for people whose style is: Classic.Ideal for usage with: Fashion.Hugo Boss Black Boss 0727/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.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.