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Arc'teryx Atom Heavyweight Hoody

rated 4.5 of 5 stars
photo: Arc'teryx Atom Heavyweight Hoody synthetic insulated jacket
Version reviewed: Atom AR Hoody

Light, warm, and flexible. The Arc'teryx Atom AR fits true to form and allows for a full range of motion. The extra insulation in all the right places is worth the extra money if you are looking to stay light without sacrificing the warmth.


  • Warm synthetic insulation
  • Excellent fit; true to form
  • Light and fast
  • Easily packed
  • Regulated temperature well
  • Breathes


  • Cut may be short for long torsos
  • Not fully waterproof
  • Not much room for thicker layers underneath
  • On the expensive side

Since purchasing the Arc'teryx Atom AR I have found it difficult to get myself to wear any other jacket in my wardrobe. It looks great and performs even better. 

Although I would not recommend wearing the Atom AR as your outer layer if you are expecting to encounter any precipitation beyond a light snow shower or drizzle, if you do find yourself in a sudden deluge, the synthetic insulation drys fast.

While the Atom AR may be cut a little short for someone with a longer torso, the overall fit is excellent. 

So far I have only really been able to test the Atom AR on a short hike, and while riding my bike around town or to commute to work. That being said, both of these activities, the layer being daily, are much more comfortable since acquiring the Atom AR. I do not find myself getting cold in the least, thanks to the wind resistant outer fabric used. Sweating is also not much of an issue due to the breathable CoreLoft insulation. 

The Arc'teryx Atom AR Jacket certainly fulfills the all around name it was given. Despite the moderately high price of the jacket, I find it difficult to find very many shortfalls with the Atom AR. 

Source: bought it new
Price Paid: $259

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The Atom Heavyweight was previously the Atom AR.


Price MSRP: $299.00
Historic Range: $119.60-$350.00
Reviewers Paid: $259.00
Weight 475 g / 1 lb
Fit Regular Fit, Hip Length, Centre back length: 74 cm / 29.1 in
Sizes XS, S, M, L, XL, XXL
Insulation Resilient Coreloft synthetic insulation
Activity All Round
Price MSRP: $350.00
Current Retail: $244.99-$350.00
Historic Range: $149.99-$350.00
Previous Name Atom AR
Size XXS, XS, S, M, L, XL, XXL
Weight 395g / 13.9 oz
Fit Regular
Activity All Round
Product Details from Arc'teryx »

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