Oakley Chainlink is an active lifestyle sunglass for those who play hard and want original style for life beyond sports. O Matter frame material is stress resistant and lightweight for all day comfort and Three point fit holds lenses in precise optical alignment. Polarized 6-base curve Plutonite lenses filter out 100% UV(ABC), eliminate glare, and maintain clarity at all angles of vision with patented XYZ optics.Metal icon accents.HDPolarized lenses eliminate glare.Fits Medium to Large faces.