What is the fill weight of the Eigerjoch Jacket - what is the down fill weight and what is the fiberfill fill weight. Trying to compare for warmth against other alpine jackets. thanks. Matt — 3 Answers

by Mjp4147288, from UT, United States Asked on October 14, 2012

Name Mammut Eigerjoch Jacket - Mens
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Answered by Anonymous, guest, from UT, United States, on December 19, 2013

800 Fill is the measure of quality of the feathers not the weight. You are looking for an answer in grams and not Fill. For example the lighter Rab Neutrino Endurance is a 625 gram jacket that has 225 grams of feathers while the heavier bulkier Rab Neutrino Plus is a 760 gram jacket that has 275 grams of feathers. Because this Eigerjoch is a 710 gram total weight jacket with the same 800 fill quality feathers as the Rab jackets it should have a fill weight of around 250 grams or somewhere between 225 and 275. So it would be comparable to the Rab Endurance Plus for warmth but feels lighter on your back.

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Answered by Hannah, guest, from UT, United States, on October 15, 2012

The fill weight for both the goose down and fiberfill is 800 cu in.

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Answered by Anonymous, guest, from UT, United States, on October 15, 2012

The jacket is filled with 90/10 goose down with 800 cuin fill power.

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