The fashion designers and sports engineers at Adidas use their expertise and innovative thinking to design eyewear made to improve an athlete's performance and ensure that they do it in style. Adidas eyewear and sunglasses are created to protect eyes from the sun while being worn during games and activities. Many of the frames come with polarized lenses and Traction Grip at the temples for a pressure free, non-slip fit. With a blend of both modern and classic styles, the Adidas eyewear collection is designed to offer the best in protection, style, and durability.Adidas A393 Terrex Fast is a Full Rim frame for Men and Women, which is made of Base-8 SPX. This model features a Wrap Around/Square shape, with a Single Bridge.The Adidas A393 Terrex Fast Sunglasses feature the following logo: The Adidas logo is displayed on the templeThis model has silicone nose pads for comfort and easy adjustments.These Adidas A393 Terrex Fast Sunglasses flatter people with the following facial features: Long Nose.These Sunglasses work well for people whose style is: Stylish Designer, Sporty.Ideal for usage with: Sports, Snow Skiing.Adidas A393 Terrex Fast Sunglasses come with a cleaning cloth and protective carrying case. A393 Terrex™ Fast features the Adidas Quick Change Lens System™, which allows for the ability to change lenses to adjust to changing weather and light conditions This frame comes with two different interchangeable lenses The ventilation system keeps the frame cool and free from built up moisture The Double Snap Nose Bridge™ adapts to individual fits The Adidas ClimaCool™ technology redirects incoming air so that it does not affect eyesight and prevents the lens from fogging over These sunglasses are available on certain colors with a back side anti-reflective coating - This reduces glare from light reflecting off the inside of the lens. It also eliminates the “mirror effect” of seeing your eyes from the backside of the lens. This works especially well with polarized lenses. This combination gives you all around glare reduction.Interchangeable lenses. Interchangeable lenses allow you to change your sunglass lenses to fit your light situation. You can change non-polarized lenses to polarized lenses or sunglasses to clear lenses. This feature allows to you have frames with a wide array of functionality.