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LOW ACTIVITY RATING 45°F.
MODERATE ACTIVITY RATING -5°F.
Our First Ascent guide team built this ultralight jacket for alpine climbing in cool to cold weather. Windproof shell is ripstop polyester with a StormRepel® durable water-repellent (DWR) finish that sheds moisture. Each cluster of the super high-loft 800 fill StormDown® is also treated with a DWR finish so the down retains its loft and superior insulating properties even in wet conditions.
Active: Our most athletic fit. Close to the body without restricting mobility. Designed to fit over baselayers and lighweight midlayers.
"The MicroTherm StormDown Jacket adds warmth and insulation no matter where I am and it looks pretty polished too, whether I'm high up in the mountains or in town."