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Arc'teryx gray Gamma MX softshell pants, fleece-lined, listed with a full S–XL measurement chart

Arc'teryx pants: GAMMA in black
Miles Chen — Footwear & Apparel Editor

Footwear and apparel editor specializing in shoes, everyday clothing, jerseys, slippers, socks, and underwear, with a practical focus on sizing, fit, materials, construction, comfort cues, durability, and visible QC consistency. · Updated 2026-09-26

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Quick verdict

Fit is the buying decision here: the listing publishes waist, hip, inseam and outseam figures for S–XL, plus about 5 cm of waist and hem adjustment. Cold-weather construction is described in the catalog, and sourced reviews of the Gamma line broadly support that category for winter use. No buyer feedback covers this exact listing.

Reference price

$59.10 USD $66.47

Final item price, service fees and international shipping are confirmed on the shopping agent's website.

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Pros

  • · The listing publishes waist, hip, inseam and outseam numbers for S–XL, so fit can be checked against measurements rather than a letter size.
  • · Elastic waistband plus metal buckle gives roughly 5 cm of adjustment, and the hem drawcord about the same.
  • · Listed build: fleece-backed four-way-stretch softshell, taped seams, water-repellent finish, YKK-zippered hand pockets — a cold-weather construction.
  • · Sourced reviews rate the Gamma line highly for mobility, durability and fit; that is category context, not a test of this pair.

Cons

  • · Sourced Gamma reviews describe the midweight softshell as too warm for most summer hiking.
  • · Those reviews flag mesh pocket liners as the line's main snag point; no source describes this pair's pocket lining material.

Fit notes

Listed: S 82 cm waist, 100 hip, 73 inseam; M 87/104/74; L 92/108/75; XL 97/112/76. Seller maps S to 29–30, M to 31–32, L to 33–34, XL to 35–36. Waist and hem each adjust about 5 cm. Sizes 2XL and 3XL are listed without measurements — ask the seller. Gamma-line reviews describe a slim, tailored cut that varies by model.

Buy if

You want a fleece-backed, four-way-stretch softshell for cold-weather walking, commuting or hill use, and you will pick a size from the published waist and hip numbers rather than a label. Also fine if you are happy to confirm 2XL/3XL measurements with the seller before ordering.

Skip if

You need a warm-season pant — sourced Gamma reviews call the midweight softshell too warm for most summer hiking. Skip if you want an independent test of this specific pair first, or if you prefer a boxy, loose cut over the slim, tailored Gamma fit those reviews describe.

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Arc'teryx pants: GAMMA in black

Reference $59.10 USD · confirm fees on Kakobuy

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Buying FAQ

Common questions

Do the sourced reviews cover this exact listing?⌄

No. The reviews describe the Arc'teryx Gamma line generally, not this pair; there is no buyer feedback specific to this listing.

Is this pair warm enough for winter?⌄

The listing describes a fleece-backed, thickened softshell, and Gamma-line reviews say the midweight softshell suits cooler conditions. Both point to cold-weather use, but neither is a test of this pair.

What if I fall between two sizes?⌄

The listing says size up for a looser fit and down for a slimmer one. The elastic waistband and buckle give about 5 cm of adjustment, so either side of the boundary is workable.

Are the fabric and seam claims verified?⌄

No — TerraTex, taped seams and the fleece backing come from the listing description itself. The sourced reviews cover the Gamma line broadly, so the material claims here rest on the seller's own copy.

Evidence

Public notes used

durability · pro · 80% confidence

The Arc'teryx Gamma softshell pants hold up well after more than a month of daily use, showing no signs of wear in high-stress areas like the seat, knees, or ankles, and the nylon softshell blend offers strong abrasion resistance.

Source
durability · con · 60% confidence

The mesh pocket liners on the Gamma pants are more vulnerable to snags and tears than solid fabric, the main durability weak spot reviewers flag.

Source
other · con · 75% confidence

The Gamma pants use a midweight softshell fabric that reviewers say is too warm for most summer hiking, making them better suited to cooler conditions.

Source
quality · pro · 78% confidence

Reviewers rate the Gamma line as a premium softshell pant with high-quality materials and construction, describing it as setting the bar for mobility, durability, and fit.

Source
sizing · tip · 65% confidence

Gamma pants have a tailored, athletic cut that reviewers describe as less boxy or frumpy than most hiking pants; buyers wanting a looser fit should account for the slimmer cut.

Source
sizing · tip · 55% confidence

One reviewer found that while Arc'teryx clothing and pants generally run slim, the Gamma AR pants are surprisingly roomy around the waist and upper legs, so fit can vary by model in the Gamma line.

Source

Column notes are compiled from catalog data and public discussions where available. Purchase links may include promotion parameters. See the column guide.

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Reference

$59.10