Camo is only useful for enriching the camo makers. It's not needed at all for elk rifle hunting. I wouldn't buy it at all except a lot of the good stuff only comes in camo.
I wear cheap milsurp wool pants. They're comfortable up to 60F or so without long johns and warm down to 0 or lower with them. They don't get cold when wet but they do smell. I can live with that. If the elk smells my pants, he's already smelled me anyway.
