Radar Path Clear Black Iridium Photochromic Transition LensTransmission Activated: 10% Faded: 66%Protection; Activated: 3 Faded: 1Conditions Overcast to SunnyNeutral/ Contrast; NeutralSport performance lens for flat to bright light. Neutral transmission for truer color perception across a wide variety of light conditions. 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. Stays Ahead Of The Sun: 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 ).Offers A Secure Custom Fit: Choose the nosepiece that gives you the best fit two sizes are included with every frame. Like the stem sleeves they re made of Unobtainium to increase grip with perspiration. Oakley s Three-Point Fit optimizes comfort and holds the lenses in precise optical alignment for superior clarity. Optimizes Comfort Protection and Clarity: Radar is made of lightweight O Matter for all-day comfort. To keep the heat of competition from swamping you with sweat the frame geometry creates a cooling flow of air. Pure Plutonite lens material filters out 100% of all UV and Radar meets ANSI Z87.1 standards for impact protection. The semi-rimless design means there s no frame rim to block downward view. Optical clarity exceeds ANSI Z87.1 standards and patented Polaric Ellipsoid geometry extends razor-sharp vision all the way to the lens periphery. FRAME: Durability and all-day comfort of lightweight stress-resistant O Matter frame material Integrated surge ports to channel cooling airflow Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment Metal icon accentsLENS: Optical precision and performance that meets ANSI Z87.1 standards Impact resistance that meets 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 Optimized peripheral view and side coverage of Polaric Ellipsoid lens geometry 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