Oakley OO7064-13 Flight Deck XM Eyewear, Purple Shade, Black Iridium Lens Rimless lens design for unparalleled peripheral vision in every direction Lens sub-frame attachment for fast and easy lens changing Lens/frame support for unrestricted airflow and easy breathing Streamlined frame and outrigger design provides full helmet compatibility Dual-pane lens with F3 anti-fog coating