Men's Atom Jacket

$339.99

Warm synthetic insulation for hikes, climbs, tours, and everyday cold-weather wear.

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Arc’teryx Men’s Atom Jacket is a versatile synthetic insulated layer built for multiple high-output activities and real life between them. Wear it solo on chilly forest hikes with windy summits, take it to the crag, or live in it at the campsite.

Coreloft™ synthetic insulation stays warm even in light weather, which makes the Atom Jacket a practical alternative to down for high-output days year round. It’s updated with an FC0 DWR finish for a lower footprint, and the jacket is made with articulated patterning to keep movement natural.

FIT

  • Fitted
  • Trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh
  • Garment Centre Back Length: Size M is 29/73cm - Varies by size
  • Activity Model: X000009561; Fit: Fitted

TECHNICAL FEATURES

  • Moisture-resistant outer face fabric
  • Breathable
  • Great warmth-to-weight ratio
  • Lightweight
  • Compressible and packable
  • Durable

CONSTRUCTION

  • Performance stretch fleece side panels for ventilation
  • Resilient Coreloft™ Compact 60 insulation is breathable, warm, and light; performs if wet; delivers loft retention that resists packing out
  • Light, soft Tyono™ 20 is air permeable
  • Breathable 20D recycled nylon liner helps regulate temperature and is soft and comfortable next to the skin

CUFFS & HEM

  • Stretch-knit cuffs
  • Adjustable hem draw cord seals out drafts

POCKETS & ZIPPERS

  • Two hand pockets with hidden zippers
  • Internal chest pocket with zip
  • No Slip Zip™ front zipper
  • Custom TPU zipper pulls are easy to operate and glove-friendly

FABRIC TREATMENT

  • FC0 DWR (Durable Water Repellent) finish repels moisture and is free from intentionally added PFAS

INSULATION

  • Coreloft™ 60 (60 g/m²) - 100% Polyester

MATERIALS

  • Contrast: Circular Knit Fleece, 215 gsm, FC0 DWR - 93% Polyester, 7% Elastane
  • Body: 20dx20d nylon ripstop, FC0 DWR, 45gsm - 100% Nylon
  • Lining: 20d recycled nylon ripstop with FC0 DWR, 40gsm - 100% Nylon

WEIGHT

  • 335g / 11.8 oz

SUSTAINABILITY

  • Fair Trade Certified™: Produced in a Fair Trade Certified facility; Building worker well-being into our product DNA
  • Contains materials that meet the bluesign® criteria
  • Contrast - recycled content
  • Insulation - bluesign® approved material, recycled content
  • Lining - bluesign® approved material, recycled content
  • PFAS (Per- and polyfluoroalkyl substances) Compliant
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Men's Atom Jacket

Frequently Asked Questions

For more information view our FAQ page

  • Free shipping on orders over $99 (oversize charges may apply) - Read our shipping policy for more information.

  • Standard shipping estimates are as follows:

    Alberta and British Columbia: 2-4 business days

    Saskatchewan and Manitoba: 3 - 4 business days

    All other provinces and territories: 5 - 9 business days

  • We offer fast & easy returns on most products. Exceptions include products 30% off or more, climbing gear, underwear & more.

    Read our return policy here.

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We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949.

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