Going fast standing still. You won't mind getting pulled over in these great shades. Speedtrap's TR90 grilamid nylon frame combines a hint of retro with a modern vibe. Injected polycarbonate polarized lenses are impact resistant and lightweight.PolarizationThrough advanced lens technology, Suncloud polarized lenses selectively filter horizontally reflected, visually interfering light waves know as 'glare'. The elimination of direct and ambient glare results in superior visual clarity, definition, color transmissions and optical comfort.Injection Molded LensesEach Suncloud polarized lens is manufactured with optical grade Polycarbonate using an injection molding process to ensure exceptional clarity and associated optical properties. This process helps to create a rigid polarizing film carrier and eliminates distortion.8 Base Frame CurveSuncloud frames and lenses feature 8 base curvatures, enabling the frame and lenses to wrap on the wearer's face. 8 base frames provide added protection from annoying side glare and environmental elements such as wind, dust and particulate matter.Grilamid Nylon FramesSuncloud injection molded frames are crafted from optical grade Grilamid TR-90 Nylon for a quality fit, flexibility and lasting durability in all environmental conditions.