The North Face Fission
I have last year's model. For a 20 degree bag it sure…
Fill: Polarguard Delta
Temperature Rating: 20 Degrees Farenheight
I have last year's model. For a 20 degree bag it sure keeps me warm on below 20 degree nights mostly due to reduced size. Drawback: zipper is quite "sticky tricky". Recommend for any lightweight hikers in damp climates.