Kobuk Down Parka

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With fully baffled construction, the Kobuk is set up for 3+ season adventures

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Custom item. 4-6 week turnaround time.

The Kobuk Mountain Parka is a box-baffle down insulated jacket for 3 season use. We build these one at a time, giving you the ability to fully customize and tailor fit the jacket based on the configuration options at the bottom of this page.


The box-baffle design creates a one inch deep continuous space between the outer shell and the liner, without cold bridges or other breaks in the insulation. Our high quality 900 fill power goose down occupies this space, controlled by evenly spaced inner walls of mesh.


A two-way separating #5 YKK front zipper is backed by a down filled draft tube with an anti-snag sailcloth zipper guard for smooth operation. The two-way operation is handy when the parka is worn while wearing a climbing harness. 

The insulated zippered exterior pockets are positioned for effective hand warming while simultaneously providing ample room for storage.

Interior zippered pockets can be selected at chest and belly level. The chest pockets will fit snacks and electronics, while the belly pockets can hold water bottles in an environment that could prevent them from freezing. To take full advantage of this feature it is best combined with the roomier fit of the Expedition Level upgrade, mentioned later.

The optional hood is snap attached, and available in a generous standard size or an oversized helmet compatible version.

Cuff closures are selectable in either fixed circumference elastic or adjustable Velcro. While elastic is by far the most popular, there's time when the complete seal achieved with Velcro is essential.


The standard Kobuk is sized to accommodate the effective modern base layering systems, used during summer and shoulder season conditions in the mountains. For winter and high altitude use consider the...

Expedition Level Upgrade

This is almost a completely different parka.

The box-baffle height is increased, as is the down volume, to reach a level of insulation needed for true 4 season use.

In addition to this, the sizing and fit is much roomier. For example, the size medium is based roughly on the size large parka, and so on. Such extra interior room is needed when the parka is worn on top of the many bulky layers typically associated with thin air.

Shell Fabrics

Almost the entire suite of Nunatak shell materials are available for the Kobuk, from ultralight to tougher and more abrasion resistant choices. Please see the fabric page for a quick overview of the various features of all these choices.

Down Type and Quantity

We recommend selecting Hyper-Dry moisture resistant down for garments, at the expense of a little more weight and bulk.

An option in the configuration menu below is Down Overfill. Adding one or several ounces to the standard fill will increase the parka's warmth, however, this will not meet the level of high mountain capacity the Expedition Level Upgrade offers.

What's In the Box?

Your Kobuk Mountain Parka, a perfect fitting silnylon stuff sack, care instructions and purchase certificate. Oh, and stickers!

Kobuk Down ParkaSmallMediumLargeXLargeXXLarge
Sleeve length, inches3334353638
Chest Circumference, inches35-3839-4142-4546-4950 >
Fill weight, oz89101113.5
Total weight ,8 Quantum, oz1618202224

Temperature Rating3 Season
Baffle height1"
Fill Weight, size Medium9.5 oz
Total Weight, 0.66 oz/sq. yd shell, size Medium, incl. Hood and Pocket18.5 oz
Zipper2 way separating YKK number 5
Waist hem finishShock cord and 2 side toggles
Sleeve end finish (cuff)Elastic or Velcro
Exterior Pockets2 zippered, insulated handwarmer pockets
Interior PocketsOptional

After saving your customized product, remember to add it to your cart.



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Dear Nunatak Equipment.

It arrived today!
"Kubok parka" is very warm and very light!
I really like it!
It is my best item! I will treasure it forever!
Thank you very much!
Also stickers.

Chisei Goto for japan


    Kobuk is the Best Down Parka In America

    This is the best expedition-grade down parka I have ever come across. I am very picky but the Kobuk beats all the competition.

    I got 3 oz. of overfill and the expedition-grade hood, making my Kobuk ready for the -45F weather here in interior Alaska. All my co-workers and friends are jealous of my extra poofy down parka. Theirs do not cut it in the extreme cold. The materials and workmanship show the care and passion the Nunatak team has for down products and customer service.

    The level of customization is exceptional to allow the customer to get exactly what they need out of their down parka. The elastic cuffs are perfect for large mitts. The hem adjusters have been updated to allow you to use with large mitts. The oversized hand warmer pockets are insulated on both sides and extra wide. That is my favorite feature because it allows you to keep something like a headlamp in your pocket, stuff it to the corner, and not feel it while keeping your hands warm.

    Jan (owner) works closely with you to get exactly the fit and comfort level you are looking for. I had a 26-message email string with Jan about sizing, overfill options, etc. before making the purchase. A short turn-around period later and I had what for me is the perfect winter down parka.



      Dear Jan:
      just got my order,i can find no wards to say how good it is,its so suitable to me just like another skin and so warm but so light。good job。

      • 1 out of 1 people found this review useful.


      Dear Jan,
      today i got my order,no words can say how much i love it,its suitable just like my
      skin and so warm but unthinkable light。perfect job!

      • 1 out of 1 people found this review useful.

      Custom Kobuk

      Review from 06/15/2016:

      Hi Jan, Just received Kym’s Jacket and it fits perfectly and is just what we were after. Thanks for your patience and expertise. My quilt has served me well over the last three weeks away, I love it, it is the cosiest sleeping gear I have ever had and perfect comfort level. Best wishes for your successful business Regards Lorraine

      • 2 out of 2 people found this review useful.

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      Kobuk Down Parka

      Kobuk Down Parka

      With fully baffled construction, the Kobuk is set up for 3+ season adventures

      Product Options
      Shell Fabric

      Please see our Fabric Page for help choosing the right shell material

      Liner Fabric
      Detchable Hood
      Expedition Level Insulation Upgrade
      This major upgrade increases the loft by roughly half an inch, and adds layering capacity in a differentially cut fit.
      It's a big jacket for big mountains.
      Down Type
      Choosing Hyper-Dry moisture resistant down will help combat the effects of perspiration, misting tents and damp air. Nunatak products made with Hyper-Dry down will have a slight increase in bulk over those made with regular down. In some instances they may contain an additional 5% of fill weight.
      Down Overfill
      Interior Zippered Chest Pocket
      With a vertical opening hidden behind the main front zipper, these pockets are protected yet easily accessed.
      If choosing just one consider a left side pocket for right-handers and vice-versa.
      Each pocket adds 8 grams in size large.
      Interior Zippered Lower Torso Cargo Pockets
      Positioned inside the jacket's lower front half, these spacious pockets are ideal for water bottles or other bulky items needing protection from freezing.
      Sleeve End Finish