FEATURES of the Oakley Women's Given Sunglasses Durable yet comfortably lightweight frame made of Oakley C-5 alloy with acetate earsocks Unobtainium nose pads in a snag-free design with a comfortably secure fit Metal icon accents surrounded by color fill Performance and protection that meets or exceeds ANSI Z80.3 optical and basic impact standards Protection of Plutonite lens material that filters out 100% of all UVA - UVB - UVC and harmful blue light up to 400nm Minimized glare via technology that produces the best polarized lenses on the planet: HDPolarized optics (optional) Varied field of light transmission (top to bottom) via lenses with gradient shading (optional) Glare reduction and balanced light transmission of Iridium lens coating (optional)