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The Grumman Down Jacket delivers exceptional packability, warmth, and protection for the backcountry hunter in a truly ultralight package.
Built with a Pertex® Quantum shell and insulated with HyperDRY® 850+ Fill Power DWR-treated goose down, it remains one of the lightest and most technically advanced down hunting jackets available. This
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Very nice jacket
I mainly use this jacket for sheep hunting and then it gets used for everything else. This is a nice coat. packs small and light and is heavy enough to keep me warm when I need it. I'd buy it again for sure.
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Ty · October 17, 2026
Not what I expected from SG
The jacket is lightweight and warm. However, when I pulled it out of the packaging, it immediately smelled like it had been sitting next to a food smoker and had stain spots. I’m guessing I received a used jacket that was just repackaged.
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Eric · Yesterday
Really weird fit but if it’s as warm as your sleeping bags it’ll be just fine. None of your jackets or sweatshirts ever fit me that great. I’m between large and xl. Not thick enough for the XL but too tall for the L. I’m just your average 6ft tall 200lb guy with shoulders and chest bigger than my belly so the large kinda small. But the XL is tight in the shoulders but too big in the belly. I’m only going to be wearing it when glassing or cleaning snow off my truck so it’ll be just fine.