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When you're peak-bagging in the dead of winter or sprinting up the skin track for some fresh turns before work, every extra ounce works against you. Suit up in the Men's Mammut Lanin Jacket for total Gore-Tex protection that won't weigh you down. The Gore-Tex Active Shell excels during high-exertion activities thanks to the highly breathable membrane and underarm ventilation zips. For the fast-and-light-minded winter enthusiast, outerwear just doesn't get much better than this. 

  • Lightweight 3-layer Gore-Tex Active shell is exceptionally breathable while offering waterproof, wind-proof protection
  • Fully taped seams keep wet conditions out
  • Regular fit allows a full range of skiing motion
  • Two way underarm zips provide ventilation during high-exertion activities
  • Adjustable snow skirt is lightweight and stretchy for comfort
  • Weighing in at just under a pound, the Lanin Jacket is exceptionally lightweight
  • Adjustable, tailored hood is helmet-compatible
  • Water-resistant YKK zippers help keep you dry in wet conditions
  • Two extra-large front pockets hold all your daily essentials
  • Pre-shaped sleeves with adjustable cuffs and a drawcord hem provide a custom feeling fit and keep snow out
  • Reviews
  • Q & A

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  • Familiarity:I've used it several times
  • Fit:Runs small

My first impression with the jacket was at Stevens Pass Resort with lift and back-country skiing.I was using a single piece merino/synthetic blend base layer with the Lanin jacket on top and an insulated bibs for bottoms. I was able to ski aggressively on piste and throw my skis on my back and hike 15-20 minutes to get access to back-country terrain without ever needing to unzip the jacket or the pit zips. Even breaking trail among the fresh 8" of snow to skin back to the resort resulted without any unzipping. Temperature was around high 20's F with light wind.

The powder skirt worked flawlessly as a few unfortunate events resulted with my skis above me instead of below me! Overall I think Mammut hit a home-run with the Lanin Jacket. 13.76 oz, including the removable powder skirt, pit zips, and a two way front zipper for those with more vertical endeavors in mind. The few recommendations to Mammut would be to add a small microfiber area around the chin area for addition comfort and to use a VISLON Zipper like Arc'teryx's Alpha FL.

For those comparing different jackets using Active fabrics, I picked the Lanin over the Alpha FL from Arc'teryx $399 ( lack of two way zipper, hand pockets, powder skirt, and pit zips) the Axiom Jacket from OR $375 (no two way zipper, pit zips, powder skirt). Sizing is pretty snug, I am 5'10" and 165 and use a large so I have room for insulation and/or an avalanche transceiver. For all the features the Lanin jacket packs, the closest competitor's jacket was the Loften from Norr?na, but MSRP is $499.

Overall, very impressed! Absolutely love the Mammut Lanin jacket and Active fabric by Gore!

More pictures on my blog.

Unanswered Question

I'm 6' and 170lb male. Looking for a jacket...

I'm 6' and 170lb male. Looking for a jacket that will fit a med patagonia down sweater under with base layer on the cold days. What size would I be looking at for this jacket? Also is the hood helmet compatible with enough room to ski hood on? 30 '' from spine to wrist. This jacket looks a bit more green neon than yellow, is that a pretty good show of the real color?