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Sastrugi

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Zipperless bag. Simple, light and no nonsense. 

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$310.00

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If you need this you will know.

Evenly distributed fill applied in a generous quantity, cord at the top, light fabrics, no inward taper until hips. Pro tip: down can be shuffled from topside to undersize, or vice versa.

Perfect inside our Apex Nova for gnar conditions. 

Concerned about getting in and out of a zipperless bag, and hot weather venting? Look elsewhere.

Sastrugi; snow eroded by wind into ridges. A skier's nightmare.

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Sastrugi

Sastrugi

Zipperless bag. Simple, light and no nonsense. 

Product Options
  
  Quantity:
Temperature Rating
 
18°F - minus 8°C
 
 
28°F - minus 2°C
 
Inside Length
To determine the correct length please refer to the measurements in the chart.
Footbox Size Circumference
40" is the male size 10-11 shoe standard. Adjust accordingly.
 
36"
 
 
40"
 
 
44"
 
Shoulder Width
 
62" inside circumference. Fits most.
 
 
68" inside circumference. Very roomy.
 
 
56" inside circumference. Small frames, skinny people
 
Shell Material

Two options: Ultralight 10d for the lightest, most breathable and best lofting performance. 15d for more durability and tear resistance with only a small weight penalty.

Liner Fabric
 
10d Black Taffeta - Lightest, most breathable
 
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.
 
Untreated Goose Down, 900FP, RDS Certified
 
 
HyperDry Goose Down, 900FP, RDS Certified
 
Stuff Sack
Our stuff sacks are pretty dope, but current weight saving trends in ultralight circles eschews this once crucial item. So, opt out and save $ while also being very current.
 
Yes, please include a stuff sack
 
 
No stuff sack
 
Your Measurements
Optional: Fill in the blanks to ensure getting the best fit. No changes will be made to your size selections without approval
Height 
 
 
Weight 
 
 
Shoe Size 
 
 
  
  Quantity: