Outsanding warmth for weight!
Loving this jacket - super warm and soft, but lightweight and packs reasonably small (the stuff sack could be a bit smaller as it could pack in less volume). Lightweight outer fabric may mean it isn't as durable as others, but that is the tradeoff for such a light jacket. Look carefully at the sizing chart rather than just the size label (I'm in one size larger than I am for many other brands (based on the measurements from Rab) and it is a good fit.