The fox main sand goggle the fox sand goggles are specifically designed for use in extreme sandy conditions we start with a standard goggle and add closed cell vent foam to the outer vent ports to eliminate sand from entering the view port it also features a standard grey lens for increased protection and light transmission in bright desert conditions fox main sand goggle features 100 optically pure lexanreg lens with state of the art anti fog treatment and 100 uv protecti