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Aconcagua Light Ml Jacket - Men's

Mammut

Current Price $111.20
20% off.
Previous Price $139.00
Color: Marine
Size
Free 90-day returns
Sold and shipped by Backcountry.com
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Details & care

The light version of our classic performance fleece, this technical midlayer is all bang and no bulk. Designed to solve for a whole range of outdoor activities, its Polartec Power Grid fleece fabric offers high breathability and efficient moisture management at an incredible warmth-to-weight ratio. With a lightweight construction, soft hand-feel, and close-to-body fit for easy layering, its the ideal style for ultimate comfort through the summer and tricky transition seasons.

  • responsible collection: bluesign approved, recycled/repurposed
  • material: polartec power grid (89% polyester, 11% spandex)
  • fleece weight: lightweight
  • fit: semi-fitted
  • length: hip
  • Item #11180881

Shipping & returns

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This item has a different return policy. Items sold and shipped by Backcountry.com can be returned by mail or to a Nordstrom store within 90 days of when the item shipped and must be in new condition, with tags attached. We can’t accept returns for this item at Nordstrom Rack.

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Reviews

(23)
4.5 out of 5
Write a Review

Most helpful positive review

Jan 4, 2026
Great light jacket
This has been my go to trail running jacket for the past two winters. I’ve used it as my only layer down to 20 degrees and it keeps me warm enough even if I start sweating.
Adam T
Reposted from ExpertVoice.com

Most helpful critical review

Jan 25, 2021
At first this was an amazing jacket! It was comfortable and light and perfect as a lighter midlayer for skiing. Howver, after only 3 wears the zipper on the pocket straight up came out. It looks like it was never sewn in, maybe the design is that it's glued? Either way, it came out. The coat is intact, no tearing the zipper is intact... Very strange failure or lack of quality control. I'm disappointed because it felt like an amazing piece for fall and winter layering. My other Mammut gear (Ski jacket, gloves, pants, fall coat) is excellent, so I'm not sure what happened with this item. I've tried contacting Mammut but it's been over two weeks and I've heard nothing.
Jenna Y
Reposted from ExpertVoice.com
5 stars
70%
4 stars
17%
3 stars
9%
2 stars
4%
1 star
0%

Pros:

Cons:

Current reviews don’t mention any.
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Adam T
Reposted from ExpertVoice.com
Jan 4, 2026
Great light jacket
This has been my go to trail running jacket for the past two winters. I’ve used it as my only layer down to 20 degrees and it keeps me warm enough even if I start sweating.
David K
Reposted from ExpertVoice.com
Oct 29, 2024
Well made and versatile
Fit well, dry quickly, comfortable indoors and out.
Wayne K
Reposted from ExpertVoice.com
Aug 31, 2024
Comes in handy In a pinch.
PA ks down to the size of a soda can but provides big warmth in cooler temperatures. It's a must for airplanes and autumn back pack trips.
Ryan O
Reposted from ExpertVoice.com
May 11, 2024
This has quickly become my Go-To Mid-Layer
Running Errands, Trails, Snowboarding, or just daily use, this thing has quickly become my Go-To Favorite. I always get compliments when wearing this & Love how comfortable it is while nicely regulating body heat.
Anonymous
Reposted from ExpertVoice.com
Mar 4, 2024
Awesome sweater
Comfortable, warm, breathable, and sharp looking too. I've tried a lot of nice fleece and wool pieces. This is one of the very best.
Mark W
Reposted from ExpertVoice.com
Apr 10, 2023
Too long
Great jacket but the sleeves and general length is oddly too long.
Load 6 more reviews

Outfit Ideas For This Item

Aconcagua Light Ml Jacket - Men's
Mammut
Current Price $111.20