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Gormsson -20° Mummy

A tried and tested bag for extreme use

GBP 205
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A tried and tested bag for extreme use

Gormsson -20°Mummy is designed for use in very cold conditions. It is the next generation of the Nordisk Gormsson winter sleeping bag. Together with the off-set double box chamber construction resembles a brick wall the Norguard S-PO 85 fibre filling offers high insulation properties. The shell is made from durable Ripstop Nylon and the lining offers a soft touch for a cosy night’s sleep. The bag has an integrated Shark-fin foot box keeping your feet warm, while your head stays warm
in the 3D winter hood with concealed drawstring. The foot box offers easy ventilation allowing the feet to cool down. Internal thermal collar and chest pocket. When not sleeping but want to stay in the bag, the secondary side shoulder zipper keeps you warm without compromising your movability.


• Mummy shape with 3D hood
• Spacious shark-fin foot box with extra ventilation
• Side zip, 2-way
• Lightweight nylon rip-stop shell and soft touch lining
• Secondary shoulder zipper
• Internal chest pocket and thermal collar

The story behind the name

The Bluetooth who Christianized Denmark

Harald ”Bluetooth” Gormsson was born in 935 as the son of King Gorm the Old and Thyra Dannebod. As King of Denmark and Norway he erected the very famous Jelling stone in Denmark, where the runic inscription says: “King Harald ordered this monument made in memory of Gorm, his father, and Thyra, his mother. The Harald who ruled the whole of Denmark and Norway and converted the Danes to Christianity.”


Sleeping bag type : Winter


  • Comfort : -10 ℃
  • Limit : -20 ℃
  • Extreme : -40 ℃
  • Tested according to European norm EN 13537

Sleeping bag shape : Mummy

Construction : Offset Double Box



  • Length : 205 cm
  • width : 2180 cm
  • Body length : 175 cm - 190 cm

Pack sack

  • Pack sack type : Pack sack with compression straps
  • Pack size : 28 x 40 cm
  • Pack size compressed : 28 x 33 cm



Composition: 100% Nylon

Construction: Rip-stop Nylon, 20D

Colour: Artichoke Green/Black


Composition: 100% Nylon

Construction: Nylon, 30D

Colour: Mustard Yellow


Specially Nordisk developed synthetic fibre with extremely soft touch, low maintenance and significantly high loft providing optimal warmth for a the perfect sleep. Norguard S-PO 85 is non-allergenic and meets Öko-Tex Standard 100. 

  • extremely soft touch
  • significantly high loft
  • non-allergic