Mountainsmith Crestone 0
Should not be rated 0 degree Fahrenheit. Maybe 0 degree…
Source: bought it new
Price Paid: $90
Should not be rated 0 degree Fahrenheit.
- Good zipper
- Not a 0-degree bag
Maybe 0 degree Celsius, because it may keep you alive at that temp if you wear some warm clothes with the bag, but even at 40 degree Fahrenheit it would not keep me warm with several layers on.