Quote Originally Posted by Slo-go'en View Post
I think you need to bite the bullet and get a 0 bag. It's good to have serious overkill early on. When you've been hiking in 35 degree rain all day, you want a really warm bag.

Save the Cosmic for when it warms up in Virginia. Depending on when you get to Maine, you might want the 0 bag back.
True. Is there a reason why the majority of thru hikers (based on the thru hiker survey @thetrek.co) opt for the 20 degree? Or is it a better safe than sorry because I tend to sleep cold to get a 0 bag?