The Microdown Pant is the ounce counter's savior in less-than-predictable conditions. They're ultra-lightweight and highly packable with Expedry goose down. The insulation is unique in that it stays dry and warm in high humidity and nasty conditions. As at home on the mountain as it is choring in camp, this lightweight 700-fill down layer won't suck up space in your pack. But it will instantly radiate a welcome warmth and keep you ready to push forward.