Using this as my belay jacket. Very warm for its small size, lightweight, packs down to a very small size in its own pocket.
Fit is very good. I'm 6'-1" with long arms and the sleeves are plenty long. Could be cut a bit tighter in the torso and could be a little more snug at the neck.
This review was written in the old system and had content requirements that are different than reviews written today.