My uncle built a lot of high fence for fellas in south Texas in the 70s and 80s. Did some hunting while he was down there according to him it came around from outfitters during hunt orientations when explaining to clients (some who'd never hunted) where to aim. Instead of saying aim for the butt...
I love my kuiu Gila LS shirts and hoody. Nothing better to protect you from the hot desert or coastal sun IMO bugs not so much. I have a pair of the of Sitka equinox pants with the bug guard but haven't used them enough to give a honest review.