Shipping Info:


Item #: 331645766

Designed specifically for climbing and alpine trekking, the Arc’teryx Alpha SL Men’s Pants are designed to keep you warm and dry without weighing you down or hindering your ability to move. The e3D patterning provides articulation in key zones and combines with a standard fit to help you maintain a full range of motion. Constructed for demanding conditions, the pants hold up well to abrasions and resist rips and tears.


  • SL: SUPER LIGHT Uses the lightest weight materials available to provide high weather protection, performance and/or packability, but with limited durability. 
  • Ultra rugged to resist rips and tears
  • Waterproof protection with breathable weave to keep you cooler
  • Ergonomic 3-Dimensional (e3D) patterning with articulated waist and knees fits your body as you move, so that you can move with a large range of motion
  • Standard fit, gusseted crotch and micro-seam allowance improve ease of movement and provides a slim fit
  • Length and waistline tailored for wear with climbing harnesses
  • Lightweight materials that won't weigh you down as you climb


  • N40r GORE-TEX®