Fever Ultra

Fever Ultra


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.

  • Slim fit for perfect weight/performance ratio
  • Ultra-small pack size
  • Crystal Down® – Premium European down
  • Lightweight YKK zip
  • Ultralight down proof fabric (19g/m2)
  • Adjustable flat hood
  • Highly breathable fabric


Comfort: 13°C
Limit: 9°C
Extreme: -2°C


Rip-stop Nylon
100% Nylon


Rip-stop Nylon
100% Nylon


Crystal Down™
95/5 European White Goose down
EU standard 900+ cuin
US standard 970+ cuin
<p><em>Crystal Down™</em></p>

Length: 205 cm
Shoulder width: 73 cm
Foot width: 44 cm
Weight: 245 g
This sleeping bag is suitable for people with a height of up to: 175 cm

Pack sack

Size: 18 x 11 cm
Type: Pack sack
Compressed size: cm