Just what the doctor ordered.

Get your daily dose of core warmth with the superlight Arc'teryx Men's Atom LT Insulated Vest. Its Coreloft insulation makes the Atom excellent for shoulder season hiking, and you'll definitely appreciate it when your ski jacket isn't cutting it on winter's coldest days. Arc'teryx made the Atom's shell out of a durable Tinthan fabric that has a DWR coating for water-resistance. Polartec's Power Stretch material makes the sides air permeable as well as stretchy, and Hardface technology keeps the sides strong for many seasons of mountainous adventures.

  • Tinthan shell with DWR coating
  • Polartec Power Stretch sides with Hardface technology
  • Coreloft synthetic insulation
  • Trim fit, drop hem
  • Zippered hand pockets
  • Zippered internal chest pocket

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Arc'teryx Atom LT Insulated Vest - Men's

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Chris Tremblay

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Here's what others have to say...

5 5

The Cool Little Brother

  • Familiarity: I've put it through the wringer
  • Fit: True to size

I own the Atom LT Hooded jacket, and since I am absolutely in love with it, I had to get the vest. This is a slimmer fitting vest that works great for high aerobic activities with mild temps where you would find a jacket being too much. It always doubles just as well as an insulating mid layer since the overall volume of the vest is low while still insulating very well. Trail runs, skiing, or just over your favorite flannel, this vest is the way to go.

5 5

Awesome vest, like the Atom LT Jacket.

  • Familiarity: I gave it as a gift
  • Fit: True to size

This is like a hoodless and armless version of the Atom LT jacket:

Lightweight, very soft, lightly insulated, and sufficiently warm. Ideal for normal to brisk days, or layering on colder days. Unlike the other reviewer, I wear a medium Atom LT jacket and Rush jacket, but feel like the large Atom LT vest is a good fit. He was going for a "glove" fit, though.

What is the center back length of a medium?

5 5

Search no further for a vest

  • Familiarity: I've put it through the wringer
  • Fit: Runs large

Arc'teryx Atom LT Insulated vest is very light and warm, at times I dont even feel wearing it so light it is. It does not protect from a cold wind, but works great as an insulation layer under windstopper hard/soft shell. A vest sizing is larger then expected. I normally wear size Large in Arcteryx, but vest in Large felt bulky around the waist area. Exchanged to size Medium for a more "glove" fit. Overall its a 5 star vest, totally recommend it.