From ski resorts to summer camps.

You might zip up the Arc'teryx Men's Atom LT Insulated Jacket all year long because it's so versatile. Coreloft insulation makes this jacket an excellent midlayer for winter skiing, and you can wear it on cold camping trips in the summertime. Polartec's Power Stretch side panels ensure a full range of motion in a breathable fashion, and Arc-teryx coated the durable shell with DWR for water-resistance.

  • DWR-coated shell
  • Coreloft insulation
  • Polartec Power Stretch sides with Hardface Technology
  • Trim fit, hip length
  • Zippered hand pockets
  • Zippered internal chest pocket

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Arc'teryx Atom LT Insulated Jacket - Men's

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Here's what others have to say...

4 5

Slim fit, but...

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size

I'm not the slimmest or the most athletic shaped guy in the world at 6'2" and 195 lbs but the slim fit Atom LT in size xl fits me great. Even has substantial room for layering, but no too large in the least. The stretch sides make motion that much easier. I'm gonna try it for cool weather running, although most I spoke with tended to discourage that for possible overheating. Maybe- maybe not. Can't wait for it to get cooler in Tennessee.

4 5

So Comfy

  • Familiarity: I've used it several times

Really comfy. Really warm when used under a 3L shell. As usual, arcteryx cut - if you're not super fit and skinny, it probably won't fit.

Responded on

Have to disagree with expectations for fit. I am 5'9, 175 and built athletically but definitely NOT skinny - a LG fits me like a glove. I just wish it had zippered outside chest pocket. Love it.

Responded on

I was shocked - but pleasantly surprised - at 6'2" and 195 lbs and semi-fit body that I can wear the Atom LT in a size XL, with room for a fairly decent amount of base layers. Never thought I'd be able to wear a "trim fit" Arc'teryx jacket.