20° 3 Season Arc Quilt

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The original innovation in backcountry quilt design. Our most popular Arc bag first introduced in 1999

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$355.00

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Custom item. Multi week lead time.

A backcountry quilt for all seasons, the 20° Arc is roomy enough for high mountain layering, yet the unique adjustability of the quilt will easily adapt to the heat of summer. 

The loft is 2.5" of baffled construction, generously filled with the highest quality 900FP down. 

All 20° Arc Quilts are sewn with a 2" transverse differential cut. This creates a liner slightly smaller than the shell, aiding in maintaining loft.

The hoodless and zipper less Arc concept saves substantial weight and packed bulk. However the roomy cut enables you to curl up inside should need arise. 

To achieve this versatility our Arc bags are constructed without zipper closures, but features the now widely accepted open underside fitted with two lengths of ultralight webbing to seal out the drafts. Tiny 3/4" center release buckles adjust the girth for the right fit.

For more on the straps, their use and what you get see this page

Sizing

3 different widths are offered: 52" - 55" - 58". Like a shoe, the quilt got to fit right! Big chested guys opt for wide, smaller frames may save some weight and bulk by going narrow. Hammock sleepers prefer narrow quilts. Others, regardless of body type, want the luxury of a big, sprawling cover.

Options

We offer a variety of shell and liner fabrics enabling you to customize the quilt. This is an overview of the choices.

A popular custom option is to substitute the lower third of the shell with Epic, a durable weatherproof membrane. Please contact us for more info. 

The choice between regular pure 900 fp down, or the moisture resistant Dry-Down is depending on the user's needs, the climate the quilt is intended for, and other concerns. More on Dry-Down here

Down Overfill

Additional down (overfill) is also available in the drop down menu field above right. Why this? The way campers respond to cold varies from person to person. Our 20° rating will feel adequate to most, too warm to some and not warm enough for a few. If you know you sleep cold, or are concerned about environmental influx specific to your use, consider adding down.

Temperature Rating20°F / -7°C
Baffle height2.5"
Fits to Height Small: 5' 4"....Medium: 5' 10"....Long: 6' 3" ....XLong: 6' 8"
Inside length of quiltS: 68" ....M: 73" ....L: 78" ....XL: 83"
Shoulder width options58" - 55" - 52"
Foot Area Circumference38"
Differentially cut liner/shellYes. 2" stock
Fill weight, standard width, S - M - L - XL12.3 - 13 - 13.7 - 14.3 oz
Weight, 0.8 Quantum shell/0.66 liner, standard width, S - M - L - XL19.3 - 21 - 22.3 - 24 oz

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

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Grade 
05/05/2016

Custom Arc

Jan,

The quilt and jacket arrived safely at my door step.

Never have I received so large a box weighing so little, and with such wonderful things inside. They are absolutely perfect. Thank you so much for your excellent work. I really appreciate it.

-Niles

    Grade 
    04/27/2016

    New quilt day!

    This review is an excerpt from an email we received, and published here with the author's permission.

    Nunatak Admin.

    I received the quilt yesterday. First things first - I LOVE THE QUILT. There are very few possessions I own that I would never part with under any conditions - this quilt is already 1 of them.

    1. The craftsmanship is superb - better than the Specialist I have. As good as western mountaineering or Katabatic.

    2. You are properly filling your shells - I feel the shells were underfilled during Tom's ownership. No need for overfill whatsoever.

    3. the 2" differential cut is perfect ( I wondered if 4" would be better). This is the most comfortable quilt/bag I've ever experienced.

    4. I love the color (I was not expecting to like it) - your photos online are very accurate representation.

    5. You delivered in 4 weeks!

    6. The drawstring in the middle of the neck baffle is SUPERB - supreme comfort.

    7. Footbox is generously filled and baffled.

    8. You delivered right on the weight I was expecting - exactly 1lb 10oz (I had to extrapolate from your published numbers)

    9. You sent along stickers and a "Birth Certificate" for the quilt.

    10. I love the 20 degree so much I may sell my specialist instead of modifying it and purchase a vector from you for summer nights.

    Ian

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      20° 3 Season Arc Quilt

      20° 3 Season Arc Quilt

      The original innovation in backcountry quilt design. Our most popular Arc bag first introduced in 1999