Arc'teryx Men's Atom LT Vest

Style: 14646
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$175.00 $119.95
$175.00 $119.95


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The Arc'teryx Men's Atom LT Vest is a core-heater that hugs the body with efficient Coreloft insulation to preserve warmth while durable fleece side panels, made with Polartec Power Stretch with Hardface Technology, increase active use breathability and mobility. A wind and moisture resistant outer shell extends stand-alone usability.

Arc'teryx Coreloft Insulation is a synthetic insulation made of fibers in mixed sizes that are crimped to trap air and retain warmth. Available in different thicknesses for end-use performance and comfort.

LT=Light Weight: Built with highly durable top performance materials but designed with a streamlined minimalist set of features to provide very light weight.

Atom LT : Most versatile in terms of insulation, weight and application, often used as an outer layer with weather resistant properties.

Technical Features:

  • Moisture-wicking

  • Breathable

  • Insulated

  • Lightweight

  • Compressible and packable
  • Wind resistant


  • DWR finish (Durable Water Repellent) helps repel water from fabric surface

  • Composite construction
  • Breathable, stretch side panels for enhanced comfort and mobility

Collar Configuration:

  • Soft, smooth lined collar

Zippers & Fly Configuration:

  • Full front zip with wind flap

Hem Configuration:

  • Drop back hem

Pocket Configuration:

  • Internal chest pocket with zip

  • Two hand pockets with hidden zippers


  • Polartec Power Stretch with Hardface Technology 88% polyester, 12% elastane: A four-way stretch fabric that allows for excellent athletic movement and good breathability to maintain comfort. Some products feature Hardface Technology for a higher level of abrasion resistance
  • Coreloft 60 insulation: Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fiber is very compressible and has excellent loft retention
  • Tyono 20 denier shell with DWR treatment 100% nylon


  • Machine wash in cold water on a gentle cycle

  • Do not bleach

  • Tumble dry on low heat on a delicate setting

  • Do not iron

  • Do not wring

  • Do not dry clean

See "Overview" below for sizing information.

Arc'teryx Men's Jackets and Tops Sizing

Body Size:X-Small | 36X-Small | 36Medium | 40Large | 43X-Large | 46XX-Large | 50
Chest (in.):363840434650
Waist (in.):293133363943
Hip (in.):363840434650
Sleeve (in.):323334353637
Calculate your own body measurements, then select your product size.

How to Find Your Measurements
Sleeve: With your arms in a slightly bent position, measure from the center of the back of your neck, along the length of your arm, to the wrist.
Chest/Bust: Measure around your chest/bust, holding the measuring tape under your armpit.
Waist: Measure around your hips at the narrowest part.
Hip: Measure around your hips at the widest part.
Crotch to Ankle: From a standing position, measure from your crotch to your ankle.

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