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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 ripstop polyester shell. Each cluster of the super high-loft 800 fill StormDown insulation is also treated with a DWR finish so the down retains its loft and superior insulating properties even in wet conditions.
"It's made specifically to be a very lightweight layer with down, which makes it lighter than any kind of other insulation and very compact and packable. When you wear it, you hardly know you have it on."
Ed Viesturs, Eddie Bauer Alpine Guide
Active: Our most athletic fit. Close to the body without restricting mobility. Designed to fit over baselayers and lighweight midlayers.
NOTE: Temperature ratings are based on a controlled laboratory test, using low and moderate activity levels. Also consider: your sensitivity to cold and wind-chill; time of exposure; activity level; and use of layering.