This bag is everything everyone says it is - construction is incredible, durability and quality cannot be matched. The integrity of the company shines through and I cannot say enough about how highly I think of Western Mountaineering and the work they do to keep products local.
That being said, there is a critical problem for me. You can spot this by looking at the specs, but the short bag has the same interior dimensions as the longer bags. Meaning, the giant bag is made to fit a 200+lb round over 6 foot tall male, and the smallest bag is designed to fit a 200+lb round under 5 foot female. I'm 5'4" and 115 and there is so much room in the middle of this bag I can sit up straight in it. This air space makes the 10 degree rating completely useless. I've tried putting my full backpack and all my gear inside the bag with me to fill the space but its not the most comfortable.
I bought this because I'm a cold wimp, so it's entirely subjective, but I was cold sleeping in over 40 degrees with this guy, and my other bags rated to 20 and 32 (but are snug), keep me warmer.
I'll consider the 600 dollars an in-kind contribution to an incredible company with a great cause, but I gave up on trusting this bag outdoors.