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Mammut Foraker vs. Arc'teryx Atom LT
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By Noah Solomon
Nov 4, 2013
Ski hut trip
I recently tried on both of these jackets and I'm curious if other people have actually used both of them.

From what I can tell, the Mammut Foraker is not going to be as warm and doesn't have a hood. However, being a bit cooler might be good for more active pursuits of mine, such as in-bounds skiing and backcountry skiing.

Due to it's warmth, Atom LT might be better for ice climbing and alpine adventures.

What are your thoughts?

By Dane
Nov 4, 2013
Cham '11
Haven't used both. But have used a lot of hybrids. Same gig over all..not a lot of differnce other than the +/- hood.

I suspect from my experiences the Mammut is a lot lighter but could be wrong. Good mid layer not so good as an outer shell I'd bet. I'd want to make a side by side comparison before I decided what would work.

By fx101
Nov 4, 2013
I've used the Arc'Teryx Atom LT extensively and it is hands down the best designed piece of clothing I've ever bought. No hyperbole.

It's very light and somehow very warm. On paper it shouldn't be... it's only 60g of coreloft (beefed up primaloft) after all. Yet it keeps me as warm as most ultralight down sweaters.

It's also ridiculously breathable. The stretchy fleece side panels run all the way up to your armpits and keep you cool as you start pushing yourself.

It's ridiculously comfy and flexible. Seriously... you can climb the most ridiculously technical ice routes or rock routes in this and forget you had it on at all. Alpine fit (no bagginess) that lets you layer both under and over it.

It's ridiculously durable. I've climbed offwidths in this and no damage. The only time I managed to damage it was when I fell off my bike at 18-ish mph and only then did the sleeve get a tiny tear (I just used a GoreTex patch on it).

The only caveat is the hood doesn't cinch. The Atom SV does do this but it's not as good of a layering piece, IMO.

By Dave Browning
From Denver, CO
Nov 5, 2013
I have not tried the Mammut Foraker, but will ditto everything the fx101 said about the Arc'Teryx Atom LT jacket. I got the the Atom LT as a gift, with really no want or need for it. But it has become my favorite jacket. I wear it for everything from chilly multi-pitch rock climbs, backcountry skiing, and ice climbing. It is the perfect blend of warmth, breathability, fit, and features. I can't say enough about this jacket!


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