Reviews by Dayle C.

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Disappointed

Written on Mar 16, 2015

The Mammut Broad Peak Jacket boasts 850 fill power, which sounds impressive. As I learned the hard way fill power is a quality of the down not a quantity. This jacket has so little "850" down in it it's hard to detect. The jacket feels like a liner at best. Such a high price for so minimal warmth just does't seem like a good value. I returned it, and ordered the Montane Anti-Freeze which has a 750 fill power but more of it. So far I am very impressed with the jacket and the company. They put extra attention into details that many other equally priced companies don't.

Too light, beware

Written on Feb 18, 2015

I made the mistake of not understanding that Fill Power is not the whole story of a jackets insulation/warmth ability. This jacket is so light it could struggle to be a very effective liner. I knew it was a lighter duty jacket but had know idea that 850 fill power could be that light. I accept that I was not knowledgeable on the "fill power" rating system, and should ave done more homework. But there really should be a better system to tell you exactly what the full warmth ability of an article of clothing is.
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Last updated 2025-11-12 UTC.