Arc'teryx Alpha SL Pant Men’s


Lightweight, packable, waterproof and breathable GORE-TEX® alpine pant, designed for maximum mobility. Arc'teryx's lightest, most compressible, waterproof pant, designed for take-along emergency use when the weather takes a turn for the worse.  Waterproof, breathable alpine pant with full separating side zippers. GORE-TEX® fabric with Paclite product technology provides windproof, waterproof/ breathable protection that is exceptionally compact. High wear areas are reinforced with more abrasion resistant N150p face fabric to increase longevity and retain the light overall weight.

Specs Sizing Reviews
  • Alpha Series: Climbing and alpine focused systems | SL: Super light
  • Weight: 365 g / 12.9 oz

Technical Features

  • Waterproof
  • Breathable
  • Lightweight
  • Compressible and packable


  • Micro-seam allowance (1.6 mm) reduces bulk and weight
  • DWR finish (Durable Water Repellent) helps bead water from fabric surface
  • GORE-TEX® two-layer construction


  • Articulated knees
  • Gusseted crotch

Zippers & Fly Configuration

  • WaterTight™ full separating two-way side zippers

Cuff & Sleeves Configuration

  • Snap cuff-closures
  • Adjustable pant cuff drawcord
  • Lace hook

Waist & Belt Configuration

  • Adjustable waist
  • Pull-on style with elasticized waist


  • Reinforced instep patch


  • N40r GORE-TEX® fabric with Paclite technology
  • N150p GORE-TEX® Pro 2L
Size Small Medium Large XL 
Waist 31 33 36 39
Hip 38 40 43 46


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  • Alpha SL Pant Men’s


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