Oakley radar ev advancer polished sunglassestaking the original radar ev design but with a larger lens for extended coverage. The large plutonite lens offers the maximum in protection against impacts and abrasions.to open the frame the sunglasses come with advancer technology that allows you to click open the frame. This increases ventilation and prevents the lens from fogging.the half rim frame is lightweight and puts vision first while the frames o matter construction is lightweight and flexible whilst retaining a great level of durability. Unobtainium nosepads and temples increase grip and provide an all day level of comfort.featuresadvancer technology designed to instantly open airflow to combat fogging and overheatingradar ev silhouette with a larger lens for extended coveragelightweight o matter material provides durability and all day comfortunobtainium nosepads and temples increase gripplutonite lens constructionbuy oakley sport sunglasses from chain reaction cycles, the world's largest online bike store.