At 800- fill, the down in the new Incandescent Hooded Down seems far warmer than other 800- fill down coats. In fact, we wouldn’t use it on moderately cold days, this one is for the deep freeze of dark-day winter. It packs into a small ball that you can toss into your pack. The hood is adjustable for an exact fit, and the loft is to die for. Highly recommended.