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All-day alpine adventurer.

The Men's Nano-Air Insulated Jacket feels as soft as a quilt, which is surprising considering Patagonia produced it for highly active pursuits like ski mountaineering and alpine climbing. A breakthrough in breathability, the Nano-Air's air permeable nature allows plenty of airflow to keep you comfy when you're sweating on steep skintracks and cruxy pitches. Its FullRange insulation provides a surprising amount of warmth as well as the stretch required for full mobility on any mountainous adventure. Patagonia finished the durable ripstop shell with DWR to shed snowflakes, raindrops, and even dust and dirt.

  • Air permeable, insulated layer for alpine adventures
  • FullRange insulation stretches and breathes for active pursuits
  • Durable ripstop shell with water-resistance for rain and snow
  • Elastic cuffs and adjustable hem assure a secure fit
  • Slim fit layers under shells easily while reducing bulk
  • Patagonia has been crafting hard-wearing outdoor goods since '73
  • Reviews
  • Q & A

Awesome jacket w/ some major annoyances

  • Familiarity: I returned this product before using it
  • Fit: Runs large
  • Size Bought: Large

This technical jacket is pretty ridiculous. VERY light, warm, and comfortable to wear. If you want an expensive insulating layer, this thing will be awesome for you. Here's why this awesome jacket only gets 2-stars from me: The soft outer fabric collected pet hair and lint like CRAZY. It was probably due to the crackling amounts of static electricity I created by simply moving in it for three minutes that made everything around me go rushing towards the jacket where it collected on the soft ripstop. Couldn't simply brush it of either - I needed a lint roller to get it off. I never went outside with it, but I wouldn't trust the jacket to fend off wind very well. It didn't seem like it'd be a good choice as an outer layer. About that fancy stretch material - the jacket stretches when you try to pull a zipper, making it a tug of war or a two hand operation. Lastly, the fit was not at all good on me. It hung sloppily off my torso and billowed out like an upside down mushroom at my waist when I closed up the cord at the bottom. You could've fit a basketball between my belly button and the zipped up jacket. I'm on the lower end of the size-Large specs on the Patagonia chart, but I don't know who this is designed to fit.

Synthetic perfection.

  • Familiarity: I've used it several times
  • Fit: True to size
  • Size Bought: Xxl

Was skeptical at first about the warmth of this, but after wearing it for several weeks, it is the perfect mid layer for almost any situation. Super stretchy and very comfortable. Breathable as well.

Awesome

    I got this for my dad because I love my nano air so much... It's light and breathable but warm, with the Patagonia quality we all have come to expect. The Nouveau Green color is AWESOME - kind of a dark grey with a teal-ish tone to it (more gray than green though I'd say)

    What size would you recommend for someone that weighs 176 and is 5'9"?

    Best Answer

    David, depends a bit on your chest measurement but, I would say medium. I am 5'8" 185-200 lbs and I fit in a medium. When I am closer to 200 its a bit tight but, right now @ 185 lbs it fits me perfect. Big enough to layer underneath with a light fleece like an R1 but, not baggy or annoying to climb with when its my outer layer.

    How does this compare to Down Sweater in terms of fit?

    I'm replacing my Down Sweater (size L) because it's way too baggy around mid section. So I was looking at size M for Nano Air, but since it's slim fit, it's hard to choose between M and L.
    Advice much appreciated!

    Best Answer

    Hi Sergei,

    The Nano is going to fit smaller then the Down Sweater, depending on how baggy the Down Sweater is on you I think you would be safe going with the L in the Nano.

    Patagonia Nano Air

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    Can I use a Nano Air instead of an R1 type of fleece as a mid layer for skiing? Or is the Nano Air not *that* breathable? Or does it run hotter than a fleece?

    Definitely. It's warmer than a fleece since it's more insulation, but layering it under a shell at the ski resort is one of my favorite uses for the Nano Air on chilly days.

    Is this a previous year nano air model on sale as clearance or is it the current model that happens to be on sale?

    Michael,

    this is the current model.

    Would this be an appropriate mid-layer for winter trail running? Or would it get a bit too warm?

    Erik,

    I would say(for me) it would be way over kill for trailrunning even in the coldest weather. I have the Nano Air vest and it works great for that. This jacket is awesome though, looks great, very warm but breathable. I've used it ice climbing in about weather of high 20's with just 2 lightweight base layers and it was absolutely perfect! Breathed awesome when I was moving/climbing, but was warm enough when I was belaying. If it's really wet out you will need a hard shell over it as it will only repel water to a point. I am 5' 8" and a medium men's fits almost perfect. The small was just a little to tight.

    Best,

    Albert

    Erik, 
I would say(for  me) it would be way over kill for trailrunning even in the coldest weather. I have the Nano Air vest and it works great for that. This jacket is awesome though, looks great, very warm but breathable.  I've used it ice climbing in about weather of high 20's with just 2 lightweight base layers and it was absolutely perfect!  Breathed awesome when I was moving/climbing, but was warm enough when I was belaying. If it's really wet out you will need a hard shell over it as it will only repel water to a point.  I am 5' 8" and a medium men's fits almost perfect. The small was just a little to tight.
Best,
Albert

    except for steady high winds, you could wear it as an outer layer for winter trail running. i often used it in 20-30 weather with not much underneath, either a wicking short or long sleeved shirt, and it worked well. feels a little chilly in gusts but warms up when the wind ebbs. and means a lot less sweat captured than most other solutions.

    Erik,

    This is a great piece for chilly winter trail runs. You might over heat if you run hot, or if the temps warm up, but the breathability this has makes it super versatile and comfy in a lot of conditions.

    I wear it for mountain biking & it works great. It breathes very well & only gets a little damp under my pack. Best breathable insulating layer there is & is super comfortable! Temps usually between 20-30. Warmer with only a light base layer.

    Works great for taking in the views!

    Works great for taking in the views!

    I have a LARGE Nano Puff and an XL Piton Hybrid. Both fit me nicely. What size Nano Air should I order?

    Nano Air fits a little slimmer than your regular Nano, maybe a little close to the Piton for a slim fit, so maybe go XL here?

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    How small does this jacket pack down? I need something very packable, and I like how the Nano Puff stuffs down to a small ball. Will this one pack down to the same size?

    Hey infernalcolonel,



    This jacket packs down very well. Very comparable in size to the nano puff.

    I usually ski tour with a thin wool base layer under an R1 or similar fleece, a hard shell for the decent, and a hooded down sweater stashed for long stops and really cold days.



    My Patagonia down sweater was stolen :(

    Would Nano-Air be a comparable replacement for warmth?

    Best Answer

    The Nano Air would be a sweet replacement to have in your ski touring kit. It's designed to be super breathable, so it might replace your R1 in a few situations. The warmth is comparable to a regular Nano Puff, and it's slightly less warm than a Down Sweater. The breathability of the Nano Air means a decrease in wind protection though, so if it's worn without a shell over it in a cold wind, it will feel less warm. The Nano Air is an entirely new type of jacket, I love mine for ski touring and would encourage you to give it a shot, but if you're looking for a more exact replacement of the Down Sweater I would go there, or a Nano Puff.

    Breathe and Stretch

    Check out the product in detail plus see it on the Rock. This is what it was designed for.