![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-03_c442d4f9-7e5d-4691-b41b-2e3f9a17b4a4.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-01_86995f01-cbbc-4c13-b2c4-cf0fba8e86ea.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-04_ba631c37-92a9-4bea-8644-1780cae51049.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-05_4fe528df-34cb-4bce-90e3-38b73ea31f33.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-06_1d4e2398-07ef-4347-9e9f-14d7f73d63f8.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-07_4fa2cb20-9ee4-4ff2-bab7-82d1d21da18c.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-08_b32c835a-df41-4ade-a374-460a47fa8f1a.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-09_8ebc087c-2e10-4084-bd16-28a02760633f.jpg?v=1718703804&width=1500)
Fever Ultra Copper
Fever Ultra is the ultimate choice for an ultra-lightweight sleeping bag. Fever Ultra has a weight of only 280 grams and an extreme temperature ...
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![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-03_c442d4f9-7e5d-4691-b41b-2e3f9a17b4a4.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-01_86995f01-cbbc-4c13-b2c4-cf0fba8e86ea.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-04_ba631c37-92a9-4bea-8644-1780cae51049.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-05_4fe528df-34cb-4bce-90e3-38b73ea31f33.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-06_1d4e2398-07ef-4347-9e9f-14d7f73d63f8.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-07_4fa2cb20-9ee4-4ff2-bab7-82d1d21da18c.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-08_b32c835a-df41-4ade-a374-460a47fa8f1a.jpg?v=1718703803&width=1500)
![Fever Ultra - Copper](http://nordisk.co.uk/cdn/shop/files/fever-ultra-large-copper-09_8ebc087c-2e10-4084-bd16-28a02760633f.jpg?v=1718703804&width=1500)
![](http://nordisk.co.uk/cdn/shop/files/Frauke_Hameister_Passion_Schweiz_Nordisk00007.jpg?v=1719259214&width=1200)
Description
Fever Ultra is the ultimate choice for an ultra-lightweight sleeping bag. Fever Ultra has a weight of only 280 grams and an extreme temperature of down to minus -2 Celsius. The weight is kept to an absolute minimum by using the lightest down proof fabric available, while insulation is kept at its highest using premium European goose down. A sleeping bag popular among participants in the world's toughest ultra runs.
Specifications
Measurements
LengthMEDIUM: 205 cm
LARGE: 215 cm
X LARGE: 225 cm
Body Size (up to)175 cm
Foot Width44 cm
Shoulder Width73 cm
Weight
Filling WeightMEDIUM: 100 g
LARGE: 125 g
X LARGE: 130 g
Official WeightMEDIUM: 280 g
LARGE: 290 g
X LARGE: 310 g
Total WeightMEDIUM: 370 g
LARGE: 390 g
X LARGE: 410 g
Material
ColourCopper
Composition100% nylon
ConstructionRip Stop
TypeShell
Material
ColourBlack
Composition100% nylon
ConstructionRip Stop
TypeLining
Fillling
NameCrystal down
Type95/5 900+ European white goose down
Fill Power (EU)900+ cuin
Fill Power (US)950+ cuin
Mixing Ratio95/5
Pack size
DiameterMEDIUM: 11 cm
LARGE: 11 cm
X LARGE: 11 cm
LengthMEDIUM: 18 cm
LARGE: 18 cm
X LARGE: 18 cm
TypePack sack with guy line and cord stopper closing
Specifications
Comfort temp.13 °C
Extreme Temp.-2 °C
Limit Temp.9 °C
Test standardTested according to European norm EN 13537
SeasonSummer
Zipper LengthAnkle length
Zipper PositionLeft