The most demanding sport professionals in the world have fueled 30 years of Oakley innovation. Athletes have won more championships and medals with our sunglasses than with any other single sport product on earth. The heritage continues with Oakley RADAR, a milestone in performance technology. br br STAYS AHEAD OF THE SUN br RADAR lets you change lenses in seconds to optimize vision in any sport environment. Many performance lens colors are available, and all lenses feature the unbeatable clarity of Oakley's HIGH DEFINITION OPTICS (HDO). br br Durability and all-day comfort of lightweight, stress-resistant O Matter frame material Integrated surge ports to channel cooling airflow Optimized peripheral view and side coverage of Polaric Ellipsoid lens geometry Comes standard with Oakley Hydrophobic/Oleophobic anti-smudge lens coating on all lens options Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment Metal icon accents Optical precision and performance that meets all ANSI Z87.1 standards Impact resistance that meets all ANSI Z87.1 standards for high-mass and high-velocity impact UV protection of Plutonite lens that filters out 100 of UVA / UVB / UVC & harmful blue light up to 400nm Glare reduction and tuned light transmission of Iridium lens coating Interchangeable lenses to optimize performance in any environment Multiple interchangeable Unobtainium nose pad options for customizable and comfortable secure fit Protective sports-specific Oakley Soft Vault included with capacity for an extra lens Available with Oakley Prescription Lenses ( 2.00 to -5.00 with cylinder up to -2.00)