Obvious I know... but just to be sure, there's a big difference between a 0c limit bag, and a 0c comfort (even bigger difference to extreme :lol: ) I'm assuming 0C vs -10C limit as it is the rating located on the bag. However I'm comfortable in the 0C to about 0C. I haven't pushed the limits of the...

Can anyone give advice on nightime temps... Is there a big difference in temp from low laying towns to 1000 ft? Trying to decide between a 0C and -10C bag (both with bivy and tarp). I was also hoping someone could comment on the weather thursday or friday before the race. I'll be checking weather bu...