Muck and other types of dirt can easily damage the surface of the visor, which is nowhere near as enduring as the glass windshield of a car that can withstand tens of thousands of wipes before ...

so it stops the airflow and it creates a faster defrost on your windshield. If you ever have a sheet of ice on your car or when it's frosted - put the [sun visor] down. Otherwise, you can feel the ...

and visors get plenty wet in the rain, obstructing the rider’s view. Wipers work on a car windshield, so why not a helmet visor? While there have been such products before, including the likes ...