The flightdeck xm snow goggles are new for this season expanding on the popular flight deck goggle this mid sized fit just makes the goggle a little smaller for medium sized faces rimless lens design lens sub frame attachment for fast and easy lens changing streamline frame and outrigger design provides full helmet compatibility discreet frame notches at temples provide compatibility with most prescription eyewear without compromising fit max dual pane lens with f3 anti fog coating small to