I bought this bag in order to save weight and keep warm on the Colorado Trail this coming summer. I have always used Marmot down bags. The reason I decided to go with Big Agnes this time is that I have always been unhappy with the way down bags don't insulate very well under the body because the down gets compressed when you lay on it. Big Agnes solves this problem by removing the down from the
This review was written in the old system and had content requirements that are different than reviews written today.