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Arcteryx M SIGMA SL PANT, Black

Product number: 19A-ARX-20839-BLACK

Mens superlight durable softshell climbing pant.

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Arcteryx M SIGMA SL PANT, Black

Mens superlight durable softshell climbing pant

Product description for Arcteryx M SIGMA SL PANT, Black Pants Male

The Sigma SL Pant for men by ARCTERYX is a superlight, trim fit, softshell pant for multi-pitch rock climbing.

Combining versatility with use specific design, the Sigma SL Pant’s material, patterning and features are specifically selected for multi-pitch climbs. The Fortius™ 1.0 softshell fabric is durable, wind resistant and repels water. It delivers the high level of abrasion resistance climbers require, and offers stretch performance for freedom of movement on the rock.

A ladder lock adjustable waistband fits comfortably under a harness. The zippered right thigh pocket stashes small items and the adjustable hem prevents updrafts.

Primary Use

  • Alpine climbing

Product Categorization

  • Superlight: Superlight materials and design, emphasizing light weight and packability over durability
  • Alpinism and climbing: Climbing equipment designed for efficient movement and protection in alpine environments
  • Synthetic fibre: Engineered materials that offer enhanced properties or performance
  • Breathable material: Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment
  • Sigma: Minimalist, breathable softshell climbing and alpinism products focused on dynamic movement

Technical Features

  • Durable
  • Wind resistant
  • Ultralight


  • Four-way stretch textile

Design & Fit

  • Trim fit for athletic performance


  • Articulated patterning for unrestricted mobility
  • Gusseted crotch increases comfort and durability by allowing a full range of unrestricted motion
  • Seam taped gusset increases durability and comfort

Cuff & Sleeves Configuration

  • Adjustable cuffs prevent updrafts

Waist & Belt Configuration

  • Elastic waistband with drawcord sits comfortably under a harness

Pocket Configuration

  • Zippered thigh pocket is accessible while wearing a harness
  • Two open hand pockets with air permeable pocket liners

Inseam: 82 cm / 32 in

Weight: 280 g / 9.9 oz (Size M)

  • Machine wash in cold water
  • Wash dark colours separately
  • Tumble dry on low heat
  • Iron on low heat
  • Do not use fabric softener

Material specifications for Arcteryx M SIGMA SL PANT, Black

  • Fortius 1.5™ - 88% Nylon, 12% Elastane (220 g/m²) - lightweight, durable, non-insulated, stretchy nylon/spandex blend textile
  • Wee Burly™ Double Weave
  • Material characteristics: breathable, elastic, water resistant, wind resistant
  • Material outer fabric: 12% Elasthan, 88% nylon
  • Outer fabric: Fortius 1.5™

Arcteryx M SIGMA SL PANT, Black is developed for the following Sports & Activities:

  • Mountaineering and Trekking

Arcteryx M SIGMA SL PANT, Black can be used in the following Weather conditions:

  • Warm
Arcteryx M SIGMA SL PANT, Black

Download size chart for Arc'teryx

Arc'teryx size chart
Arcteryx M SIGMA SL PANT, Black

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