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Aenergy IN Hybrid Jacket - Women's

4.666666666666667 out of 5 stars
6 Reviews
Current price: $114.50 Original price: $229.00
50% off


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Mammut Aenergy IN Hybrid Jacket

Developed for optimal temperature control, the light and compressible Aenergy Hybrid insulated jacket is designed for mountain activities in cold conditions. Wear it as a warm layer under a hardshell or on its own as an outer layer. The unique Octa filling is made of 52% recycled material on the front, shoulders and sleeves, striking the right balance between warmth and breathability. The material provides excellent insulation even when wet while also allowing excess heat to dissipate for optimum temperature regulation. This makes it suitable for a large temperature range, without having to take layers on or off. It combines a lightweight wind-resistant fabric with equally wind-resistant, light panels made of stretchy storm fleece with waffle structure for better freedom of movement and breathability. The Aenergy Hybrid is your go-to for demanding activities in cold conditions. 

Responsible Collection
[main] 100% nylon, [insert] 88% polyester, 12% spandex, [lining] 100% polyester
Octa Loft (52% recycled)
2 zippered front (harness-compatible)
Claimed Weight
lifestyle, hike & camp, ski, snowboard, climb
Manufacturer Warranty
limited 2 year

Overall Rating

4.5 based on 6 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 0 reviews
5 Stars - 5 reviews

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3 out of 5 stars

April 25, 2024

feels cheap, extremely light

Size Bought:
5' 6"

The fabric feels really cheap. The zipper feels cheap. I guess that's why it's practically weightless, if that's what you want. The bottom is very tight like for a man's hips. I bought a medium and I usually fit small-medium depending on the brand. The bottom hip circumference is not size medium for a woman it is small.

Jill undefined
5 out of 5 stars

February 21, 2024

Love the material and the fit

I was surprised when I opened it how much I really like it, I knew it would be nice but it exceeded expectations. It's lightweight true to size love the thumb holes

Karen D

Originally reviewed on

5 out of 5 stars

December 28, 2023

Nice layer

Has been a great running jacket and layering jacket for my mountain activities

Megan T

Originally reviewed on

5 out of 5 stars

April 14, 2023

Love the fit!

This is a perfect jacket to wear under my shell. It does a nice job of keeping me warm and I can take it off and fit it inside the jacket pocket.

Originally reviewed on

5 out of 5 stars

April 7, 2023

Light Weight, Wind-/Water-Resistant

Lighter than I anticipated, but fits well. Great extra layer against any precipitation or wind. I like the spandex side panels and the high pockets.

Originally reviewed on

5 out of 5 stars

November 26, 2022

Love the quality, keep me very warm and comfy, not to mention how flattering it looks!

Shuang Z

Originally reviewed on