Mediocre sounds so harsh. I would rather call it "testing the limits".
So what were the outdoorer wearing before the rise of plastic? Or the soldiers in WW1/WW2?
They just don't bother with the little water?
I remember reading that the original purpose of brogues was to be an outlet for water to leave the shoe...
Leather sole with cleats but it depends a lot on the theater. Leggings with shoes, not boots.
And mid WW2 most field boots changed into rubber or synthetic outsoles. Life saving.