(I know, I sound like your mother.)
Actually if I WAS your mother I would also advise clean underwear but that’s a subject for another blog.
If you are scouting the neighborhood for that elusive shot or hacking through the jungle for a different but still elusive shot, you need to be comfortable.
The ability to focus your attention outwardly on your environment for extended periods of time is the key to observing and capturing great shots.
This activity is never helped by a pair of feet sending constant messages demanding some kind of attention.