Nordisk Fever Ultra Large Sleeping Bag 13 °C Winter 2025
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.
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.
SKU: 81931-fw2025
Comfort: 13 °C
Extreme Temperature: -2 °C
Limit Temperature: 9 °C
Test Standard: Tested according to European norm EN 13537
Sleeping Bag Type: Summer
Zipper Length: Ankle length
Zipper Position: Left
Construction: Stitched through
Weight
Official weight: LARGE: 290 g
X LARGE: 310 g
Total weight LARGE: 390 g
X LARGE: 410 g
Filling Weight LARGE: 125 g
X LARGE: 130 g
Material
Shell
Fabric Composition: 100% nylon
Fabric Construction: Rip Stop
Colour: Copper
Lining
Fabric Composition: 100% nylon
Fabric Construction: Rip Stop
Colour: Black
Filling
Filling Name: Crystal down
Filling Type: 95/5 900+ European white goose down
Mixing Ratio: 95/5
Fill Power (EU): 900+ cuin
Fill Power (US): 950+ cuin
Pack Specifications
Pack Type: Pack sack with guy line and cord stopper closing
Pack Diameter: MEDIUM: 11,LARGE: 11,X LARGE: 11 cm
Pack Length: MEDIUM: 18,LARGE: 18,X LARGE: 18 cm
Detailed description
Comfort: 13 °C
Extreme Temperature: -2 °C
Limit Temperature: 9 °C
Test Standard: Tested according to European norm EN 13537
Sleeping Bag Type: Summer
Zipper Length: Ankle length
Zipper Position: Left
Construction: Stitched through
Technical Specifications
Weight
Official weight: LARGE: 290 g
X LARGE: 310 g
Total weight LARGE: 390 g
X LARGE: 410 g
Filling Weight LARGE: 125 g
X LARGE: 130 g
Material
Shell
Fabric Composition: 100% nylon
Fabric Construction: Rip Stop
Colour: Copper
Lining
Fabric Composition: 100% nylon
Fabric Construction: Rip Stop
Colour: Black
Filling
Filling Name: Crystal down
Filling Type: 95/5 900+ European white goose down
Mixing Ratio: 95/5
Fill Power (EU): 900+ cuin
Fill Power (US): 950+ cuin
Pack Specifications
Pack Type: Pack sack with guy line and cord stopper closing
Pack Diameter: MEDIUM: 11,LARGE: 11,X LARGE: 11 cm
Pack Length: MEDIUM: 18,LARGE: 18,X LARGE: 18 cm