Y by Nordisk Tension Mummy 500

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More Information
Insulation Down
Comfort temperature 0° / 10°
Weight 750 - 1000g

Quick overview

The Y by Nordisk Tension Mummy 500 is a mildly heavy weight high insulation down bag constructed in the comfortable mummy shape that provide a roomy and comfortable nights sleep. The bag is made for any trip to the outdoors where the temperature will drop to freezing cold, and the lightweight outer casing fabric keeps the weight down while still providing a durable sleeping bag. 

The full length zipper is down covered to keep the warm air inside the bag where you can enjoy it, and the adjustable contour hood gives the bag a good feel if you sleep with your head inside it. Yeti make this bag in three sizes.

  • Comfort +3°C / Limit -2°C / Extreme -18°C
  • Weight: 980 gram (size L)


Y by Nordisk Tension Mummy 500 M L XL
Comfort °C 3 °C 3 °C 3 °C
Limit °C -2 °C -2 °C -2 °C
Extreme °C -18 °C -18 °C -18 °C
Season 3-season    
Fill weight (grams) 440 500 520
Weight (grams) 870 980 1020
Insulation material Crystal Down® Dry 90/10 600+      
Insulating properties  600+ CUIN (EU) / 650+ CUIN (US)    
Up to bodysize <175 cm <190 cm <205 cm
Shoulder- / Footwidth (cm) 77 - 50 cm 80 - 53 cm 80 - 53 cm
Pack size (cm) 30x16    
Shape Mummy    
Construction H-Box     


  • Lightweight ripstop nylon shell and lining
  • Crystal Down® European down (RDS certified)
  • Mummy shape: wide across the chest and narrower by the feet for a great fit and insulating properties
  • H-Box construction consisting of different chambers with vertical sidewalls that keep the down in place and avoid cold bridges
  • Ankle length 2-way zipper