Check out this ultralight sleeping bag for my get home bag. It is good to the 40 degree range and with a bivy I have coming...even lower. It's so small and light it's amaizing. It's a aegismax ultralight.
I have a couple oher bags that are much bigger and heavier that don't go much colder.
JYD #109 "I came here for the knives and stayed for the people."