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Description

Arc's multitasker.

Arc'teryx made the Atom LT Hooded Insulation Jacket versatile for year-round mountain adventures from climbing to skiing. Its Tinthan shell is light yet durable, and the DWR coating sheds rainfall to help keep you dry on hikes and backpacking trips. Breathable Polartec Power Stretch side panels make sure you can move around with complete freedom of motion, whether you're wearing it as a midlayer or an external shell. Synthetic Coreloft insulation retains its warmth in wet weather, and the adjustable StormHood slides over helmets with ease. Arc'teryx also added an adjustable hem, a zippered internal pocket, and two zippered hand pockets for your convenience.

  • Tinthan shell with DWR coating
  • Polartec Power Stretch side panels
  • Coreloft insulation
  • Trim fit, hip length
  • Helmet-compatible StormHood
  • Adjustable hem
  • Zippered internal and hand pockets

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Arc'teryx Atom LT Hooded Insulated Jacket - Men's

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5 5

One jacket to rule them all

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

If I could only have one jacket of any kind, this would be it. The Atom LT is incredibly warm for the weight and has a great performance fit, without being too tight. It packs down very small and will repel quite a bit of moisture, especially when properly treated with a new coat of Nikwax.

I wear this jacket...
-around the house over a tshirt
-to/from work
-inside my sleeping bag on cold nights
-under a bigger puffy on really cold days
-over a Patagonia R1 while ice climbing
-under a hardshell on windy, snowy ski days

Very minor negative: the hood is a great size for going over helmets but has no ability to cinch down. I think this is the right conscious decision by Arc'teryx: keep the weight down and keep the product more simple. However, if you want a jacket to use hooded + sans helmet + moving fast, you will likely be happier with something else. I often use a Patagonia Nano Air in that situation.

Photo: my friend Brett also drank the Atom LT Kool-Aid...here we are in the ice park in Ouray, CO.

One jacket to rule them all
5 5

A do it all midlayer

  • Familiarity: I've put it through the wringer
  • Fit: True to size
  • Height: 5' 7"
    Weight: 145 lbs
    Size Purchased: Medium

I bought this jacket a year ago with high expectations after reading so many great reviews. This jacket met them all.
I bought it primarily for skiing. The hood fits great around a helmet, the tight cuffs stay out of the way. High breathability means I don't over heat when skinning up.
I also use it for hiking and climbing, among other things. I wash it roughly every 10 days of use. Not because it's dirty or smelly, I do it to replenish the DWR. The DWR is adequate in a light drizzle, which is all I ask for from a midlayer. After a year of solid use I see no noticeable signs of wear.
The pockets are great. The two outside ones are perfectly placed and the inside one is handy for valuables. I love the main zipper on this jacket, it is amazingly smooth, it never catches. The fit is great, for both the torso and the arms. It is insanely comfortable, I even use it as a pillow when camping. I'd say the price is fair for this jacket. It's lightweight and compressibility make it an essential for backpacking.

Overall, it's one of my favourite pieces of gear. I've never regretted bringing it anywhere and I'd buy another if I lost it. Go buy it!

Unanswered Question

How would you compare the warmth of this jacket to that of Mountain Hardwear Ghost Whisperer or another similar down jacket?

5 5

Get this now

  • Familiarity: I've put it through the wringer
  • Fit: True to size
  • Height: 6' 0"
    Weight: 180 lbs
    Size Purchased: Large

This is the most essential insulation piece in my closet. The clean look of it makes it an easy jacket to wear, the side panels are great for active wear. The hood cinches perfectly for your head. you lose no visibility when the hood is on. Every feature of this jacket is well thought out and executed.

5 5

Go to piece of kit!

  • Familiarity: I've put it through the wringer
  • Fit: True to size
  • Height: 5' 10"
    Weight: 150 lbs
    Size Purchased: Medium

All the other reviewers hit the nail on the head. This is one of my favorite pieces of kit. I am always reaching for this jacket. It is a toasty mid-layer, but manages heat and moisture well. It has Arcteryx's athletic fit. If you want to layer it over a few other pieces I would recommend maybe sizing up. This is one of my all-time favorite jackets!

Go to piece of kit!

Why is "rusted copper" a shade of orange? Shouldn't it be a shade of green? Just sayin'.

Responded on

Rusted is describing a shade of the color copper, not a piece of copper that has rusted. Just sayin'.

Best Answer Responded on

Guess if they come out with "rusted iron" it will just be a shade of gray then.

5 5

Loved it so much i bought another

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

I initially bought the Atom LT jacket, but after a couple years of good use i decided to ante up and buy the hooded version. This is my favorite insulation layer. It is so lightweight and for its weight really packs a punch as far as the warmth that it provides. This is also the most comfortable jacket that I have ever tried on, it is so light that you barely feel like you are wearing anything, and its anatomical fit moves with your body perfectly. The fleece panels on the sides and under the arm pits allow for stretchy mobility, as well as allow you to bleed off excess heat if you are exercising. This pairs well with a gore tex ski shell for most average temperature ski days (right around 32 degrees) and the placement of the fleece panels line up perfectly with your pit zips to allow you to bleed heat when necessary. Overall this is a phenomenal jacket that I would recommend to anyone.

5 5

The piece I plan my other layers around

  • Familiarity: I've put it through the wringer
  • Fit: True to size
  • Height: 5' 10"
    Weight: 185 lbs
    Size Purchased: XL

When I play I sweat, just the way it is. Big soppy mess that's me.

Fleece jackets would frequently get too warm, are heavier, don't compress much, and are frequently too absorbent. Best planned as a mid-layer due to complete lack of wind resistance, but this means you're wearing a shell too so not great to depend on for active wear.

Shell jackets become a sauna when on the go. Save them for the coldest/most insistent wind or rain, their hoods will also seal you off from the rest of the world.

Softshell jackets seem to combine the the best and the worst of shell and fleece jackets with less flexible utility than separate pieces. You'll likely still want to carry a waterproof shell and maybe a lighter sweater when you need a touch of warmth working hard, all increasing overall pack size/weight.

Down jackets lose all functionality when they get wet and most have no resistance to moisture from inside even if they do have dwr treatment outside. Save them for sitting around when you have kitchen duty or otherwise can't move around to keep warm.

The Atom is my perfect go everywhere layer.
Great balance of wind resistance where I want it but highly breathable where the heat gets dumped.
Synthetic insulation is warm, remains warm when wet, and dries quickly.
Water resistant (treated) exterior panels will shed a light shower.
Functional hood that is less "crunchy" around the ears so you might actually be able to hear your partner when its up.
Crazy light.
Packs to roughly the volume of a 1L nalgene, but frequently better not to compress it down and just stuff it around in top of pack then it takes up near zero space, is readily accessible, and can help keep gear dry.
Small and tough enough to stuff in your avy shovel pocket or just under a pack strap and not worry about it until you want it again.
On top of perfect functionality, this piece has worn fantastically. After a year and a half of rock climbs, mountaineering trips, hikes, backpacks, morning warms ups, and cruising around town the only difference I can identify is a bit of that synthetic funk and even that's not really noticeable after a good wash with oxy clean.

A baselayer (selected based on conditions) + the atom + 3L gore shell is my go to system for everything (summer overnight desert trips to spring backpacking to winter mountaineering) below 0F I add my Marmot Ama Dablam (as a mid) for hours running the stove. So far what this system doesn't handle whiskey makes unimportant :).

5 5

The comfort food of the clothing world

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

This is the most comfortable jacket I have ever worn. It is incredibly light, yet provides a lot of warmth. At the same time, the jacket does a great job of shedding excess heat through the fleece underarm panels, making it a solid piece for active pursuits. If you buy one of these, don't be surprised when you find yourself wanting to sleep in it.

So I am debating between the S and M i am 5' 7-8" and 145-150lbs i want to be able to add a layer like a hoody underneath so i don't know if the small would be to tight but i don't want the medium to be to baggy if i wasn't wearing a hoody under it. so not really sure what size to get any help is appreciated thanks!

4 5

Nice

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size
  • Height: 5' 7"
    Weight: 145 lbs
    Size Purchased: small

My first Arc'teryx jacket. I bought this to wear as a 40-60 degree jacket in most weather conditions. The first day I wore it in 45-50 degree windy weather with a long sleeve Under Armour charged cotton t-shirt underneath. I was pretty warm through most of the day. The only gripe I have is that if the wind catches the side fleece side panels it will cut through the jacket some. So far it sheds water extremely well. This jacket does flex with the weather conditions to keep your comfortable. It is a little on the expensive side but the materials are top quality. The fit is exceptional. Small fit me perfectly, I am 5'7" 145 lbs.

Responded on

Hey, Ryan. just wondering how tight the small was? I am like the exact same height and weight as you but i like a little more room in my jackets and i want to be able to add a hoody underneath and was just wondering if you could do that with the small or if a medium would be better?

Hello,
At the moment I'm looking for a super versatile, do it all, tough jacket that I can rely on in a multitude of conditions. I've narrowed it down between the Patagonia Nano-Air Hooded vs. this Arc'Teryx Atom LT Hoody. Could someone give me a breakdown on the pros and cons between these two jackets? I'm trying to find as much info as possible so I can make the right decision when purchasing my next jacket. I've only found one article online that discusses these two jackets exclusively, so if anyone can help me out, that'd be great! Thank you very much!

Responded on

The Nano Air will be warmer and a little more breatheable. The fabric on the Atom LT is tougher. Also the Atom LT is more fitted and slim. You can't go wrong with either jacket.

Responded on

check out the following link for a very thorough comparison,
http://www.outdoorgearlab.com/Insulated-Jacket-Reviews/Patagonia-Nano-Air-Hoody

5 5

Initial Impressions

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size
  • Height: 5' 9"
    Weight: 175 lbs
    Size Purchased: Medium

I ended up purchasing the Atom LT after lengthy research for a lightweight, packable insulated midlayer that could also hold its own as an outer layer.

I just took it out this past weekend for a two night and 25 miles of backpacking in 25-45 degree temps with some freezing rain. These are my initial thoughts.

First off, because of the precipitation and wind I layered it under my Arc'teryx Beta LT Hybrid Shell when we were getting some rain. It kept me perfectly warm (not too warm, not too cold, just right) and held up to some of lighter precipitation with its DWR. It also is fairly wind resistant (I love the hood). The jacket packs well and is super light. I've seen some say that a con of this jacket is it doesn't stuff into its own pocket or whatever but Arc'teryx recommends stuffing the jacket into one of the arm which I did and it worked great (used it as my pillow while sleeping).

All in all, the jacket was warm, breathable, durable and held up to the elements fairly well.

Hey Jane Hwang.
The man in the photo... what size he is wearing? And what is his height?

Responded on

Hey Samer
My brothers height is 5'9" and he is wearing a size medium. I hope that this helps and if you need more help please feel free to call or chat into our customer service center and we can get you squared away!
Cheers!
Jane

5 5

Better Than Down?

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

I was looking for a synthetic jacket that would perform better when wet than a down jacket. I fly fish and wanted something that could get a little wet.

I absolutely love this jacket. I normally wear a medium but after trying the jacket on I decided to get a large so that I can layer with it. I can easily fit a fleece jacket underneath it when the temperatures really get low.

With just a t-shirt, this jacket is perfect for 40-60 degree temps. Any colder and I will throw a light fleece underneath it.

I see that the LT is Hood compatible. If worn without a helmet is the hood too large on your head. I would like to use this jacket without a helmet for hiking.
Also, is this jacket a 2014 version and does the hood and waist have draw strings ?

Aside from the LT being warmer how would you compare the LT to Outdoor Research Cathode Hooded jacket ?

Best Answer Responded on

becks4312304945,

I can't speak to the comparison between the Cathode and the Atom LT, but this is the 2014 version with the hood and waist cinch cords. Even without the hood tightened down, it's not offensively big when worn without a helmet.

How well does this hold up as an outer layer? Looking for a swiss army knife type jacket... Lightweight/Compressible, Insulated, Water Resistant/Proof... Hoping this might be the right piece. Love Arc'teryx gear in general. Thanks for any advice on it.

Best Answer Responded on

Hey! Jacket definitely is water resistant but, not proof. I would also question the durability of this jacket on the mountain as an outer layer. As a around town jacket it is just fine, I would even wear it touring on the up but, on the down snagging trees and what not you really need a hard shell or at least the burlier version of this jacket in the AR version, http://www.backcountry.com/arcteryx-atom-ar-hooded-insulated-jacket-mens?ti=UExQIENhdDpNZW4ncyBTeW50aGV0aWMgSW5zdWxhdGlvbiBKYWNrZXRzOjE6MzpiY3NDYXQxMTEwMDE2&skid=ARC004D-BK-S

Responded on

The Kappa Hoody might be a better piece. Similar fit, a little more rugged and feature laden. A versatile piece in its own right.

Responded on

It will get wet pretty quickly in rain or very damp snow. More dry snow will be no problem, and it dries very well.