Arc'teryx Gamma Rock Pant

1 review
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The Gamma SL Rock pant is the perfect pant for any…

Rating: rated 5 of 5 stars
Source: bought via a "pro deal"
Price Paid: $70


The Gamma SL Rock pant is the perfect pant for any rock adventures. Climbing it allows fluid movement, and doesn't compromise on bagginess. little features make it usable, and essential. But above all the comfort is exceptional. In the alpine, scrambling, and at the crag outside of the summer it is the perfect choice.


  • Durability
  • Range of motion
  • Belt
  • Feature
  • Comfort
  • Style


  • Can get warm in the sun

The Gamma SL Rock Pants are Arc'Teryx' beefed up version of the Gamma SL superlight soft shell material, which is a excellent hiking pant. The Rock Pant fixes some issues some may have had with the durability of the pants in a high wear situation like climbing and scrambling. The two are very similar except that the rock pant has reinforced the knees and rear, and added a really useful belt system that uses a daisy chain and metal clip, rather then stretchy nylon and plastic.

The fit is quite tight compared to some soft shell trousers. It is best described as snug, and even close to a tight fitting jean or chino. They are very stretchy and have articulated knees that bend effortlessly. The belt is really handy as it never comes undone. 

I took this pants to the Bugaboos and was really blown away with them. On the approach they managed well. As it drizzled on us the trouser shed any moisture. Scrambling they were brilliant. the range of motion and ability to move was great. The lack of baggy material meant no snags, or catching on jutting rocks. As it had snowed, and I didn't have my gaiters, the bootlace hooks at the front of the leg hem were brilliant. Multiple times they kept snow and scree from entering into my boot. 

Multipitch climbing they were brilliant, mostly because i didn't notice them. They were never loose, they never restricted my movement. I didn't feel the cold bight of the wind, or too hot either. The belt didn't come loose, and it didn't bunch up under my harness. As I rubbed them against the rock they showed no signs of wear. 

While a bit warmer and sweatier then the 5-Denier super thin pants I'm used to, on the hike up I was only a little bit sweatier than normal. Hiking up in the rain they felt great, and by the time I had stopped for 5 minutes I had dried off and was comfortably warm. 

But due to being a dark colour they got extremely warm in the sun. They weren't uncomfortable, but they definitely wouldn't be the best choice on a sweltering 30°C day. When the wind kicked up though they were amazing, blocking the gusts, and kept me from feeling the temperature change. 

Overall they are the best item I have bought in ages. Comfortable, and easy to move in they add to the climbing experience. They look great as well. Overall I'd say they are a classic Arc'Teryx piece that should be the staple of any alpine climber, shoulder-season climber, and scrambler. 

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Retailers' Descriptions

Here's what other sites are saying:

Free Shipping. Arcteryx Men's Gamma Rock Pant FEATURES of the Arcteryx Men's Gamma Rock Pant Four-way stretch Fortius 1.0 fabric reinforced with Burly Double Weave knees and seat (hybrid mapping) Articulated patterning and gusseted crotch allows full mobility Two zippered front hand pockets and a fly zip Low profile metal hook waist adjuster; chalk bag attachment window Seamless inner lower leg reduces crampon snagging; stowable boot lace hooks SPECIFICATIONS of the Arcteryx Men's Gamma Rock Pant Weight: 12.2 oz / 345 g Fit: Trim, tapered leg Fortius 1.0 - 84% nylon, 16% spandex Burly Double Weave - 46% nylon, 46% polyester, 8% spandex This product can only be shipped within the United States. Please don't hate us.

- Moosejaw

Designed for alpine climbing, the Arc'teryx Gamma Rock Pant stretches and moves with you. A blend of fabrics provides exceptional abrasion resistance and durability, while the fit is sleek and trim as to prevent snags. Moisture-resistant outer face fabric Breathable Lightweight Durable Quick-drying DWR finish (Durable Water Repellent) helps bead water from fabric surface Stretchy fabric construction provides freedom of movement Articulated patterning for unrestricted mobility Gusseted crotch Front fly with snap closure Micro webbing zipper pulls Seamless instep to reduce abrasion Laminated cuffs Lace hook Two hand pockets with zippers Mesh lined hand pockets Reinforced knees and seat Adjustable integrated webbing belt Snap waist closure Soft, brushed lined waist Webbing belt loop to attach a chalk bag

- OMCgear

Stretchy, weather-resistant Fortius fabric in the Arc'teryx Men's Gamma Rock Softshell Pants gives you the flexibility and weather protection you need when you're climbing high in the backcountry.


Trim fitting technical alpine pant constructed using lightweight stretchy Fortius fabric paired with a more durable Burly Double Weave textile in the knees and seat A streamlined design keeps insteps seamfree to limit snags and abrasion and builtin articulation in the knees aids freedom of movementThe Gamma Rock Pant has a low profile webbing waist belt system that sits flat under a harness adjusts fully and is integrated into the waistband for clean easy use Designed with climbing in mind the system includes a webbing belt window for a chalk bag attachmentA seamless instep design limits snags and allows the use of a more lightweight fabric for warm temperature comfort The use of thoughtful design results in weight savings and increased comfort in all Arcteryx productsReinforced in high impact areas with exceptionally abrasion resistant Burly Double Weave fabric the body of the Gamma Rock Pant has full stretch mobility and breathability from lightweight Fortius 10 textile a softshell staple in the Arcteryx lineupFeatures Moistureresistant outer face fabric Breathable Lightweight Durable Quickdrying DWR finish Durable Water Repellent helps bead water from fabric surface Stretchy fabric construction provides freedom of movement Front fly with snap closure Two hand pockets with zippers Micro corded zipper pulls Reinforced knees seat Gusseted crotchNOTE This product only ships to North America