Built for fishing these shades feature a medium fit in a durable light weight frame with built in nose pads, non-slip temple padding that insures comfort and fit. These polarized lenses sharpen optics, reduce eye fatigue, and penetrate waters surface to spot fish and structure. Polarized Triacetate Lenses are Impact and Scratch Resistant, Lightweight and Durable. AcuTint Lens Coloring System Adds Color Contrast Without Distorting Natural Colors. 100% Protection From Harmful UVA and UVB Rays.