gtdurango2346143 wrote a question about Black Diamond Winter Bivy Sack on September 4, 2008
I am thinking about getting a big agnes 0 degree and combining it with a bivy for winter camping in the rockies of colorado. I am an avid AT skier but am wanting to get into longer trips. Would this bag/bivy idea be ok for the cold winter high country? How much warmth does a bivy add?