well i usually wear just regular long johns but iw as at wally world last week and i looked at some thermals in the hunting section.I said what they hay ill try them and ill tell ya what they are pretty amazing. They are made by ROCKY. I love ROCKY's boots and these are no slouch. I recommend them, i think they were around 15 bucks for the bottoms but i couldnt find a top in my size.CHECK THEM OUT!!