Arc'teryx Gamma MX Softshell Pant

Priced: $179.37 Rated:   - 5 stars out of 5 by 5 reviews.
Arc'teryx Gamma MX Softshell Pant
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Color: Heron
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Arc'teryx Gamma MX Softshell Pant -

Time and time again, experienced climbers and backcountry skiers turn to the award-winning classic backcountry pant, the Arc'teryx Men's Gamma MX Pant. Burly yet comfortable materials, meticulous attention to detail, and practical design based on real-life use make the Gamma MX pant a go-to piece for climbers and skiers everywhere.


  • Hem drawcords cinch the pant legs over your boots to keep out the elements
  • Midweight, four-way stretch fleece backer adds against-the-skin comfort
  • Keprotec patches at the hem prevent damage from ski edges and crampons
  • DWR-coated, abrasion-resistant, stretchy, breathable Fortuis fabric stands up to the rigors of daily backcountry use


  • Integrated adjustable webbing belt perfects your fit

Weather and Wind:

  • Low-bulk micro-seams and tiny Gore tape reduce bulk and weight, while high stitch count in the seams guards against blow-outs


  • Front hand pockets and thigh pockets keep your valuables safe


  • Gusseted crotch offers added durability and unlimited range of motion
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Arc'teryx Gamma MX Softshell Pant Reviews:


This is an excellent winter weight softshell pant with great wind and water resistance. It would be too warm for non-winter use in most of the Lower 48. I used it recently on a climbing trip in the Alaska Range and found it perfect with or without long underwear underneath. I occasionally wore puffy pants over the top for warmth but never needed to wear shell pants to block wind or water, as I would with a less burly softshell like the Gamma AR.
Fit is trim but not tight--definitely more roomy than the Gamma AR pant. The cuff fits snugly over ski boots (Maestrale RS) making gaiters unnecessary. It fits less than snugly over double climbing boots (Baruntse), but you could get away without gaiters in anything but deep powder. I would like to see a lace hook on the cuff like the Gamma AR has, to hold it down. I installed grommets in the cuff and added a cord running underneath the boot, which works.
The roomy thigh pocket on the right side is great for a camera or other gear, but the velcro closure will let in snow if you get buried by spindrift or take a fall in powder--I'd rather have a zipper.
Comfort and build quality are excellent, as expected from Arcteryx. Sizing: I wear a 32 waist/34 length pant and the Medium-Long is the correct size. Legs are plenty long and I have to cinch the waist belt fully.

rus3501744 at on 05/08/2013

The sizes may be a hit-or-miss, depending on how particular you are on fit.
The built-in belt is a big plus, keeping the torso area uncluttered with any belt loops. Pockets are streamlined, and almost feel too smooth with the surface to hold anything. However, the pockets hold keys, wallet, or any small hiking accessory without a problem. The leg pockets are gusseted and expand out as needed.
The finish of the material, inside and out, is wonderful. The brushed interior insulation provided just enough warmth without being swampy when temps vary (trailhead vs. summit).
The leg length is the only complaint. Even worn over mountaineering boots, the inseam seems to average a bit longer than needed, leading to a bit of extra-length bunch up.

jor5697463 at on 12/14/2012

This softshell pant has served me well in cold, alpine backcountry ski conditions, resort side skiing and all-around winter sport play. Switching from a fully waterproof hardhsell pant to these almost waterproof softshell pants has given me a lot in comfort and maneuverability and sacrificed little in terms of performance. The fleece lining adds warmth and comfort that might be a little too much on a warm winter day, but for anything approaching 40 degrees these pants have been a great fit.

Paul Bonanzi at on 10/06/2013

I've lived in two pair of these pants for the last two months in the mountains of china. They've kept me warm and comfortable through nasty winter weather; exceeding my every expectation. These pants are exceptionally comfortable, offer great protection, are easy to clean and fast drying... oh and the pockets! i love the pockets! the integral belt and drawstrings on the pant cuffs are wonderful touches. all-in-all an excellent pant. i can't think of a single change I'd make.

marp105685 at on 01/18/2013

These are pretty sweet winter weight softshell pants. They are an athletic fit but not super tight so they do feel really comfortable without excessive bulk. The durability is a bit questionable for a pant this expensive. The second day out my crampon torn the inside leg but I guess that's the way it goes with sharp objects. Overall good pant though.

Matt A at on 02/27/2013