I currently use a pair of Oakley Minute sunglasses on duty.... I like how tight they hug my eye-socket to keep crap out. Unfortunately these sunglasses have been discontinued and the lenses are scratched pretty bad. It's about time for a new pair.
I remember seeing sunglasses that change their tint from dark to clear depending on ambient lighting conditions... Are there any brands that do this well/fast? It would be nice to be able to leave the glasses over my eyes going into a scene where I might have to fight or deal with OC/Pepperball.