Oakley Chainlink Sunglasses Designed for Those Who Play Hard and Want Original Style! Inspired by Oakley's popular Crosslink RX frame; Chainlink is an active lifestyle sunglass for those who play hard and want original style for life beyond sports. Oakley Chainlink Sunglasses feature: Durability and all-day comfort of lightweight; stress-resistant O Matter frame material Comfort and Performance of Three-Point Fit that holds lenses in precise optical alignment Unobtainium earsocks and nosepads for added comfort and practical performance HDPolarized A- minimized glare via technology that produces the best polarized lenses on the planet (select lenses) Maximum clarity at all angles of vision with patented XYZ Optics Optimal precision and impact resistance that meet or exceed ANSI Z80.3 optical and basic impact standards UV protection of PlutoniteA lens material that filters out 100% of UVA / UVB / UVC & harmful blue light up to 400nm Glare reduction and tuned light transmission of IridiumA lens coating (select lenses) Optimized peripheral vision of 6 base lens curvature For medium to large faces Metal icon accents Oakley Sunglasses. The Best of Comfort; Clarity and Durability!