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Warm as a midlayer or outer jacket.

The Patagonia Men's Nano Puff Hooded Insulated Jacket is your go-to layer for any cold occasion whether it is morning ski sessions or rappelling in the dark, and it works as your top jacket for walking across town in the winter. The recycled polyester has a DWR finish, a slick feel, and a sleek look. When it gets too warm, you can pack this Nano down into its chest pocket and clip it to your harness or pack for later when it gets cold again.

  • Ultralight recycled polyester has a DWR finish to repel water, and wind glides over its slick coating so you stay warm in cold conditions
  • PrimaLoft One polyester insulation provides warmth even if it gets wet and allows the jacket to pack down small
  • Elasticized hood covers most low-volume helmets or compresses under any helmet to add warmth to your head
  • Stuff this hooded in its chest pocket and use the pocket's loop to attach it to your carabiner so you can take it with you on full-day excursions
  • Dual-adjusted drawcord hem keeps cold out and heat in
  • Two hand-warming pockets and one chest pocket

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Here's what others have to say...


Warmth throughout the year

  • Familiarity:I've put it through the wringer
  • Fit:True to size
  • Height: 5'10"
    Weight: 170 lbs
    Size Purchased: Medium

After eyeing this jacket for about a year i was able to finally able to pick it up on sale at the beginning of fall last year. North East weather can be tricky to guess, this puffy makes a great tool. The comfort and warmth of the prima loft insulation makes this my go to jacket all year round. Having the ability to stow n go, i can stuff this in my bag and grab it when i need it for those chilly summer nights on the beach, or layering up on the trail.

Does anyone know the chest measurement for size Medium?
Thanks in advance.

Matthew B.,

The chest measurements in a medium are 39 - 41in (99 - 104cm)

Going Strong

Going Strong

two years of heavy use with this thing, and it is still my daily driver for the mountain, the river, and around town.


Appalachian Gold

  • Familiarity:I've used it several times
  • Fit:True to size
  • Height: 6'0"
    Weight: 190 lbs
    Size Purchased: Large

I'm a Ultralight hiker by force rather than choice. My lungs aren't the best, and so I look for gear that is light, effective, and from a company with a good reputation. The Nano Puff hits all three of those. Construction is great with even stitching and strong seams, the fit is athletic but still roomy enough for a mid layer underneath, and it is toasty warm. Here in the South East we get more rain than snow quite often, and while it may weight a bit more than down, synthetic insulation really shines when it comes to jackets.


Light, warm, great value

    I have had this for the better part of 8 months. I have worn it on hikes, camping, biking, snowshoeing, and just wandering around town. Following are my impressions on the fit, warmth, and value of this jacket.

    Fit: True to size. I am 6' 5'' with really long arms. Most brands (TNF in particular) do not fit my arms very well. I usually have to get a boxy fitting jacket in XL or a small-sleeved jacket in L. The Nanopuff fits EXACTLY as it should. Not too long in the sleeves or torso, not too short. I can reach my arms up without the cuffs sliding halfway down my arm, but the sleeves don't bunch up too much when my arms are at my side.

    It is neither an athletic fit or a normal fit. I would put it right in between. This makes it easy to layer, but remain good looking when it's a bit warmer and extra layers are not needed.

    Warmth: The Primaloft does its job. I have worn it (with proper layering) down to the low 20s and even below. Throw on a fleece underneath with a nice merino wool base for the best performance.

    For the most part, it blocks the wind. I use it on rides to work and mountain biking, and I always have to open it up to breath at some point. It is treated with DWR, so light rain is a non-issue. Anything heavier, and you might want to toss on a shell. That said, the jacket will still insulate you despite being wet.

    Value: Fit and warmth alone should warrant ease of mind in the purchase of the Nano Puff. However, what makes it even better is its supreme compress-ability, feather-light weight, and durability (I had it stuffed under a seat for a few months during fire season with no damage done). Overall, it is an incredible value and ought to last quite a few hard years.

    Ian - What size did you buy (L or XL)? I'm 6'4 with super long arms too, so I have the same fitting issues

    Hi Tom, sorry it took me a while. I bought the Large, and it fits perfectly. I hope that helps.


    Awesome but wish it was built better.

      I got this as a winter jacket. After a month of normal use and two days of skiing I'm loosing stiching and stuffing like crazy. I am really impressed by how warm it is and how well it fits. I'm 6'1 and 220lbs and the xl lets me have two layers under it. I just wish that the constuction matched the price


      My new favorite jacket!

      • Familiarity:I've put it through the wringer

      I absolutely love this jacket! I got it as a gift this past Christmas and i have worn it almost everyday since then. The weather in SLC has been crazy this year, but this jacket seems to keep me comfortable despite what the weather is doing. I have skied in it under a shell and used it as my main outer layer on warmer days.

      I am 6', 190 lbs, 35" arm length, and the Large jacket fits perfectly. I initially got the medium but it was uncomfortably tight and short.

      Great jacket, I recommend it to everyone!


      Versatile jacket

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

      Have worn this jacket almost every day for the last two months. Used for travel in multiple climates as well as skiing. Packs small, weight is great considering its synthetic, and most importantly, it regulates heat way better than my down puffy. Have found it effective at keeping me warm from mid teens up through the fourties no problem. I also carry a Marmot Mica, which pairs well with this as a shell to protect from heavier rain/wind.

      Fit is great for me. I have a Cochineal Red size medium, and I am 6'1", 34/35" arm length, 40L jacket length. The arms are long enough! And fit is really good.

      Hope this helps!

      Hi, Can you tell me the back and sleeve length of a medium please? Thanks

      Sleeve length: 36" from the center of the hood to cuff. Back length: 26.5" from inset hood seam to hem.


      Best jacket I own

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

      This Nano Puff jacket is by far the best layering garment I own. It is extremely light weight, it blocks the wind, it is not puffy and compacts well, has a great cut (including the hood) and look and is amazingly warm. It is exceptionally warm outdoors but doesn't make me sweat inside if I'm inactive (on the computer). This is my go-to jacket for inside on a cold day as well as outdoors. I was completely comfortable when I have worn it over a cotton t-shirt and wool sweater while I shovel the driveway in 8 degree snowy weather. I love the hood on this jacket, it covers all but your face. I just recently bought a half zip non hooded Nano Puff and the two of them layered together is unstoppable. The only drawback is a little sweating and an occasional thread sticking out. I have owned this jacket for over a year. I'm 6'3", 200lbs and the XL sleeves are good length. The torso is a little lose but works just fine. I have black and I don't see any fading.


      Great Layer

      • Familiarity:I've put it through the wringer

      I bought one of these a few years ago and lost it and am psyched to finally have another! It's a great, multipurpose layer. I'll probably casually wear it as an outer layer more than anything else but can see myself skiing with it under my shell on cold days, touring with it, or stashing it my pack as an extra layer.


      The most used jacket in my arsnal

      • Gender:Male
      • Familiarity:I've put it through the wringer

      The Patagonia Nano Puff hoody is the jacket I turn to most in my outdoor wardrobe arsenal. It’s one of those that you can count on no matter what the weather throws at you, that’s what makes it so versatile. It’s light weight, packs up very small in its own pocket, and keeps you warm, even in wet conditions. I've had this jacket out in the pouring rain in cold Fall temps, and it kept me roasty. I like to use it when I’m fly fishing, or when I know I’ll be in wet conditions, rain or traveling via boat. The fit for this year’s Nano Puff seems to be a bit slimmer than previous seasons. I still wore my usual size, medium, but comparatively, the 2014 model does seem a little more fitted than past years versions. I'm 6ft. , 185lbs., with chest size of 40-42". The hooded version of jacket is a great ally against the elements, or for my case in Alaska, the mosquitoes. I can’t say enough good things about this jacket.


      The Best

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

      My Specs: 165lbs, 6'-0", 32w, 32l, long arms, broad shoulders/chest

      Applications: Year-round thermal layer for trail running, biking, paddling, and casual use in a temperate mountain environment. I own the vest, jacket and hoody. All can be worn separately depending on conditions or can be combined for really inclement weather.


      +Fits my frame and long arms very well. Went with a Medium.

      +Packability and weight are competitive with others in its class. I can easily stow any of these in my Ultraspire vest or pack with my other essentials and head out on a long trail excursion.

      +Prefer synthetic over down. In a temperate environment I trust this more than down (even with all the DWR and "water-resistant" down products out there). I've been completely soaked in my Nano pieces and still remained warm and alive.

      +Hood on the hooded version is not oversized and fits perfect.

      - Material is pretty durable, but the threads often get snagged. More of an aesthetic issue really. Not a deal breaker by any means.

      Summary: A super functional, well-fitting and versatile thermal jacket. I use and rely on the Nano lineup year-round for everything.


      The Perfect Backpacking Jacket

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

      he Patagonia Nano Puff is the perfect backpacking jacket. Lightweight and synthetic, it keeps you endlessly warm in light rain and fits just about anywhere in your backpack. Windproof and water-resistant, I wore it almost every morning during the PNT and had it on as soon as we made camp. It never let me down!


      Light Weight!

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

      This jacket is SUPER light weight and warm. This is great for when you are out being active in the colder temps. Great quality and packs into its own pocket. Great for traveling

      Do you like the fit better then the women's? I typically don't like women's cut jackets.


      So far so good

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

      Actually had to exchange the jacket from a medium to a large. I bought it for rock climbing in cold weather. I'm about 5'10'', 165 pounds, athletic build. Large fits very well, a tiny smidge big in the belly, but generally a nice athletic trim fit. I have a +6 ape index and the sleeves are long enough they don't ride up my arms when I reach overhead for a hold. Has just enough stretch that it doesn't seem to restrict my movement at all, which is hard to find. Hood fits well and the neck zips up nice and high so drafts don't come down the front or back and chill you. Doubt you could fit the hood OVER a helmet, but probably could put it under one if you needed to. Super extra light, which is very nice. My only concern with it is how well it will hold up against rock rash and abrasions. I've scrubbed it a bit on some rough Pennsylvania diabase boulders and it didn't get damaged, but I haven't really put it through the ringer yet. May be too light for really bitter cold, but if it makes it through this spring and fall without any fatal signs of wear from the rock, I'll buy the Patagonia Down Sweater Full Zip Hoodie and wear the Nano underneath. Very happy with the jacket, only a little concerned that it could rip on really sharp rock. Only reason I'm giving it 4 instead of 5 stars.