Mammut Alyeska Jacket

(1 Review) sku# 55462
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Model Info
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Product Info

Waterproof. Breathable. Moves with ya. The Mammut Alyeska Jacket is built with GORE-TEX® Soft Shell® 3-Layer fabric, and combined with Mammut s passion for tech detailing, gives you that perfect fusion of fit, performance and durability. Incredible protection for the most heinous weather, the Alyeska includes a detachable snow skirt, Lycra® hand gaiters, and a ski pass wrist pocket, and it is designed to work in tandem with the Alyeska pants for deep powder-proof "hermetic" sealing. Stay out in the storm and keep piling up the vertical; you'll be warm and dry in this coat.

Product Details

Face Fabric

GOR-TEX® Soft Shell® 3-LayerSoft, cozy, and breathable while still being water and wind resistant

Face Material100% Polyamide


100% Polytetrafluorethylene

Lining Material

100% Polyester


Asymmetrical front zip


1 inside pocket with zip

1 wrist pocket for pass


2-way underarm zips for maximum ventilation

Additional Features

2 neck zips for comfort control

Shoulder print

Pre-shaped, three-sided adjustable, helmet compatible hood

Articulated elbows

Hermetic jacket-to-pants connection

Detachable and stretchable snow skirt


Lycra® hand gaiters


  • Material: GORE-TEX®, Polyamide
  • Waterproof Rating (mm): 28000
  • Breathability (g): 20000
  • Insulation: No Insulation
  • Seam Sealing: Fully Taped
  • Powder Skirt: Yes
  • Hood Type: Fixed Hood
Size S M L XL
Weight (g) 1050

Other Notes

Mammut products can only be shipped within the United States



by PowerReviews
Mammut Alyeska Jacket

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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I can't stop wearing it around my house


from Seattle, WA

About Me Casual Dresser

Verified Reviewer


  • Attractive Design
  • Comfortable
  • Great Color
  • Stylish
  • Versatile


  • Zipper Catches

Best Uses

  • Daily Use
  • Skiing
  • snowboarding

Comments about Mammut Alyeska Jacket:

I'm blown away by this jacket! Being a converted east coast park rat who's not unfamiliar with really baggy outerwear, I was concerned that at 5'9" 135 lbs a medium would be too small for my particular style. Not so! The fit allows for one or two layering garments underneath without being too huge; The length comes down about 4-5" below my hips, and the sleeves fit perfectly.

As for quality, it's GORE-TEX Soft Shell! Need I say more? The soft, thin fleece backer makes it super comfortable in a t-shirt and being GORE-TEX, it's insanely waterproof and breathable to the point that I didn't feel like I was in a sauna while skiing down Mt. Rainier in 60 degree weather. Mammut's attention to detail is incredible; the stitching, fit and features make the shell well worth its price. My only complaint is the zipper on the small collar zip that is used to expand the neck opening - It sometimes catches while zipping up, but all you need to do is back it off a bit to free up the zipper.

All in all, this is the best shell I've owned and would recommend it to anyone looking for a technical garment that will keep them comfortable in some seriously inclement weather.

  • Was this a gift?:
  • No

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