Fever Ultra
The ultimate lightweight sleeping bag
- Description
- Facts
- Measurements
- Material
Description
The ultimate lightweight sleeping bag
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.
Features
- 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

As main part of the Yeti logo for years, the red Y is an established symbol of exceptional quality, animal welfare and heritage of Yeti, the Down Specialist.
Facts
Sleeping bag type : Summer
Temperature
- Comfort : 13 ℃
- Limit : 9 ℃
- Extreme : -2 ℃
- Tested according to European norm EN 13537
Sleeping bag shape : Mummy
Construction : Stitched through
Measurements
Size
- Weight excl. pack sack : 245 g
- Length : 205 cm
- Body length : 165 cm - 175 cm
Pack sack
- Pack sack type : Pack sack with guy line and cord stopper closing
- Pack size : 18 x 11 cm
Material
Shell
Composition: 100% Nylon
Construction: Rip-stop
Colour: Copper
Lining
Composition: 100% Nylon
Construction: Rip-stop
Colour: Black