Quote:
Originally Posted by achillesheel
I dunno about peeing/holding it but, next time you go camping take a rated sleeping bag (-15 degrees or so usually works fine) and strip down to your boxers/underwear. You might think wearing more clothing would keep you warmer but the bags are designed to work WITH your skin/body heat.
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You know, this has been said twice now, and It's not quite true. Yes, if you wear clothing inside a sleeping bag, then you lower the efficacy of the bag. BUT (big but) you've increased the usefulness of the clothing, because the air around it is warmer. so while the temperature just inside the bag is cooler, the temperature inside your clothing (and right next to your body) is warmer.
By the logic in the quote putting my 50 degree sleeping bag (which is nothing more than a fleece blanket with a zipper) inside my 20 degree bag actually would make me colder. I can assure you this is not the case.