Probaly Oakley because they make sunglasses that are pretty clear so id have to say oakley
the clear football visor has not color or tint to it. while the 60 percent grey visor has a grey tint to it.
simply the outside is bronze while the inside you see clearly
A black or clear visor
The referees need to be able to see your eyes at all times.
every season
Your opponent's blood
Yes they can if they r abused
a nike visor is definitely the best. its enhances the clarity of things, and is easy to clean
Oakley i have a underarmour visor and it has some permanent scratches.
online
Nope
try ebay,search football iridium insert.theres no such thing as a iridium visor yett, its just a insert you put over top of the one you have now. I bought one there legit.highly recommend it