Originally Posted by
robow
Spin, I know that North Face is better at rating their bags then say Slumberjack (of which I own a couple) but take those ratings with a large grain of salt and I figure add at least ten degrees to the stated rating for MOST people for most bags. With Slumberjack add even more.
I couldn't agree more. The a 20 degree temperature rating doesn't mean you'll be comfortable at 20 degrees. It means you have at least a 50% chance of waking up alive if the temp dips to 20 degrees overnight.
Ok, I'm exaggerating a little.