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Arc'teryx Atom LT Pants

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The Arc'teryx Atom LT pants are insulated and weather-resistant, making them ideal as an outer layer to preserve warmth during down time on your alpine adventures.

  • Coreloft 60™ insulation delivers lightweight warmth during cold conditions
  • Breathable, stretch fabric has a Durable Water Repellent finish that helps bead up water on the surface; wind resistant
  • Articulated knees and seat aid comfort and movement
  • Full-length separating side zippers; bottom snap closure on zipper
  • Arc'teryx Atom LT pants are lightweight, compressible and packable
  • Elasticized waist; adjustable cuffs; internal stow pocket with attachment point


Item 857333

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Arc'teryx Atom LT Pants Specs
Best use
Nylon / nylon blend
Coreloft polyester fibers
30.5 inches
Fabric type
Shell fabric
Shell lining fabric
Insulation type
Side cargo pockets
Inseam (in.)

Arc'teryx Atom LT Pants

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