I wear ball caps, for products/vendors I like. Nearly all of them that i have i got for free, some came with an order i made.
I have only worn "shooters jerseys" a few times.
Cargo shorts or regular pants, and more pockets is definitely better.
Knife clipped in pocket (this is daily wear, not just for match day)
Regular tennis shoes
A bigger brim hat is something i've thought about, as well as some type of cleats.
One of our ranges is mostly sand, cleats might help there.