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Mammut Extreme Ultimate WS Jacket

The Extreme Ultimate WS Jacket has been discontinued. If you're looking for something new, check out the best soft shell jackets for 2021.

photo: Mammut Extreme Ultimate WS Jacket soft shell jacket


1 review
5-star:   1
4-star:   0
3-star:   0
2-star:   0
1-star:   0

I wanted a very technical softshell without insulating layer to cover a wider range of use (insulation being handled by the fleece) and a better heat control and with a great comfort while moving. I went for the Mammut Extreme Ultimate WS Jacket that I tested during my last mountaineering outings in April.


Ultra-modern and technical softshell jacket made of several protection layers for a perfect windproofness and a good protection in extreme conditions while still offering breathability and durability. It is best suited for winter and alpine activities.

Opinion :

This jacket is just perfect ; excellent protection, breathability and what a comfort! With this sofshell Mammut has designed a very nice cloth faithful to its technical, high-tech and reliable product line[...] All it’s qualities make this jacket one of the best softshell of my collection and I recommend it to everyone who is into mountaineering.

For full review with details on advantages/drawbacks and detailed opinion, check the articl on my blog at

Fabric: windstopper softshell

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