Atom LT Jacket

Arc'teryx Atom LT Jacket Reviews

The Arc'teryx Atom LT Jacket is an insulated, mid layer jacket with wind and moisture resistant outer face fabric; ideal as a layering piece for cold weather activities. Atom Series: Synthetic insulated mid layers | LT: Lightweight.

Versatile combination for layering on cold wet days or as an outer layer in cold dry conditions. This warm mid-layer features composite materials that provide balanced warmth and breathability. The arms and torso are fortified with Coreloft™ insulation, and the side panels and underarms feature smooth faced, air permeable fleece stretch for ventilation. A wind and moisture resistant outer shell extends stand-alone usability.


Taylor Andrew Amanda Reid Adrian Brent Colleen Luis Nathan Taylor

Product Questions

John H.  John H.: This jacket looks awesome, but is it really worth the price? Was there another jacket you considered that was cheaper and close in quality?
Andrew S.  Andrew S.: Let me first start by saying yes. I believe it is worth it, although other reputable brands, nearly all of them, have a solid entry at this level that is less expensive. But, do a little digging, and you will find subtle differences. Something else might have a feature, such as an exterior chest pocket, that you like more; while having equatable insulation and breathability. Secondly, I scored mine on past season clearance at REI for nearly half off, so it isn't hard to find a bargain. THIRD! Check out their used gear site, these jackets are on there all the time for $100-$120. Good deal for you and good deal for the earth.
Luis S.  Luis S.: Hey John, this Jacket is definitely worth the price. In terms of quality and feel, it definitely ranks up there in terms of comfort, mobility, and (light) weight. I believe Black Diamond had something similar, but the price was pretty comparable. Most reputable brands have about the same price point for this type of jacket so the best advice I can give you is to get one on sale, as Andrew has stated above. I got mine at last year's REI labor day sale and couldn't be happier. Black Friday/Christmas sales are right around the corner...
Adrian L.  Adrian L.: John,

There are a ton of great options out there at a lower price point. It would help to know what your personal preferences are and how you intend to utilize the jacket.

Just to preface, I run extremely warm and primarily hike in Las Vegas. During winter, we typically hike in weather 20s-30s sometimes with 50+ mph winds. Hikes in the mountains range from 7k-11.9k elevation. I’m usually in a t-shirt and shorts while everyone is in pants, long sleeve, jacket, scarf, etc. I wanted something to throw on at the summit or during stops after working up a sweat. I also wanted something that leaned towards breathable side of the spectrum, but not so far that I had to baby it. Depending on what you’re looking for, you can move up or down the Arc’teryx scale (SL, LT, AR, SV, etc.) for each jacket. I rarely used the Atom LT Hoody as an insulating layer (it is fantastic for that). With running so warm, it ended up being the only jacket I needed to have on. I also carry an Arc’teryx shell, but usually only wear one or the other. It also looks great and something you could wear around town. Like others have mentioned, I also got mine on sale. You can definitely get one a killer price if you keep an eye out.

It’s tough to give recommendations without knowing what you’re looking in a jacket and how you plan to use it. If you don’t mind a minimalist design, take a look at the Enlightened Equipment Torrid APEX. It’s $80-ish cheaper at MSRP.

I still regularly use my shell, but have switched over to down jackets (Ghost Whisperer and Summit L4) so my Atom doesn’t see as much use now. Anyhow, give some info and I’d be happy to share what I know!
Amanda V.  Amanda V.: The other responses sum up what I would say as well. My husband and I both have this jacket because of the exceptional quality. The price is comparable to other brands, but what set Arc’teryx apart to us was the fit. We both have longer torsos and arms, which has been a battle with other brands. Like the others, we purchased our jackets at a discounted price - we happen to have an outlet store nearby, which has been a blessing and a curse!
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Blair Z.  Blair Z.: Is this a good breathable jacket? I've read some reviews that said it trapped a lot of heat in and people ended up a sweaty mess! Hoping to find a good midlayer for fall/winter hikes that will still be breathable
Nathan K.  Nathan K.: Sweat*
Reid P.  Reid P.: This Jacket has breathable side panels but the body and arms have a weather resistant facebfabric.
The stand out of the Atom lt is it's compressibility.
The Proton LT sounds like the jacket nyoure looking for. It's breathable, warm and tougher face fabric.
Nathan K.  Nathan K.: I’m coming from a person who doesn’t swear a bunch, but In my opinion it is fairly breathable. It depends on the temps you’re looking at and the level of output. For high output in moderate temps (40’s-50’s) you may get a little warm. But colder than that I feel it would be okay. Lower output in those temps I think would be okay. The nice thing about the Atom LT is on the side of the jacket from the pits down to the bottom is just mesh and isn’t insulated, and is meant to be breathable. Hope this helps, let me know any other questions!
Amanda V.  Amanda V.: I’ve noticed some sweating when I’m hiking and the temperature hits above 50ish degrees. It does have breathable side panels, but my back doesn’t seem to feel much of a breeze. That being said, this jacket works really well for hiking in temperatures below the 50 mark.
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Product Reviews

Quality Lightweight Insulation Layer

Arc’teryx did an amazing job at designing this jacket to be extremely lightweight, durable, and comfortable. We hike in the PNW, which can be very wet at times, but the synthetic material this jacket is made of retains heat even when damp. I’ve struggled to find jackets that fit me properly in arm and torso length, but Arc’teryx brand fits perfect. I use this jacket for hiking, camping, backpacking, fishing, and general day use in the colder months.

Perfect light jacket

This thing is the best all around jacket. The material is incredibly soft, yet durable on the outside. I have had mine for almost 3 years and the only wear it has is a burn hole (unfortunate but common). Breathable side panel material makes it keep cool when you need it to, and otherwise keeps you warm on chilly days. Perfect for athletic output on a cooler day. Nothing fits quite like a good Arc jacket.

Atom LT jacket

This jacket is a little pricey but worth every penny. It is extremely light weight and will keep you warm in lower temperatures. Also it’s very easy to layer over it because it is pretty thin.

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