It's not a dedicated sleeping bag, but my poncho/liner combo rolls up and packs down quite small, and gives me quite a bit of warmth for the size/weight... and if it gets really cold, the AMK bivvy is a pretty good back up to go along with the poncho/liner... if that combo won't keep me warm, it's time to build a bigger fire <img src="/images/graemlins/wink.gif" alt="" />.

Troy