HD Polarized Lens with our polarized lenses that have been tested for a long time. Polarization eliminates glare from reflected light or any other kind of sunlight reflection. Make the view clear and natural, make the scenery more beautiful and look soft without glare. | One-piece Nose Pads Design Use the latest One-piece nose pads design, will not oppress nose bridge. And make you more stable and more comfortable to wear. | High quality hinges Prevent the screw loose so that the arm easy to open and close | Frame -leg The design of the temple has an outstanding anti slip performance, and the radian is quite match ergonomics which is natural and comfortable to wear. Skid resistant curved leg |