Ive been testing the kuiu super down ultra hoody and the arcteryx cerium LT hoody. The arcteryx is slightly warmer and thicker, but yeah it has slightly more fill. Also has more of a silky face material, where the kuiu is more what I call tissue paper. Ive had both out in around 25 degrees, and i was warm. The kuiu definitely packs smaller. The sizing is whacked up. Im a medium in eveything, but the large kuiu *just fits. Probably going with XL. One other note, the arcteryx is not hydrophobic down. I do like both. The arcteryx seems like a higher end jacket. I may keep it just for hiking and everyday jacket. I think the kuiu would be great for what its design is. Just not crazy about the tissue paper "feel".
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