Oh, I dunno, some intentionally, some not. I'm tempted to go put together a SUL list
from my gear - I don't claim to be in such a category, but I bet I could be pretty easy..

The difference is I would *not* be comfortable doing it. My gear list (see my profile)
is light, but definately not ultra (mega, giga, whatever). There's still stuff I could toss
out of that pack if I wanted to be uncomfortable, but surviving.

Everyone has their own idea of at what point they are uncomfortable.