Fever Ultra
The ultimate lightweight sleeping bag
GBP 404
Stock available from our online retail partners
- 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
Video

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
Zipper
- Zipper length : Ankle length
- Zipper position : Left
Sleeping bag shape : Mummy
Construction : Stitched through
Measurements
Size
- Length : 205 cm
- BodySize : 175 cm
- Shoulder width : 73 cm
- Foot width : 44 cm
Weight
- Total weight : 370 g
- comment
- Official weight : 280 g
- Indicates the total weight of the product and packsack, with only the accessories needed for normal use (extra packsacks, bonus packs etc. excluded.)
- Filling : 100 g
- comment
Pack size
- Diameter : 11 cm
- Length: : 18 cm
Material
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This products is PFC free
Shell
- Composition : 100% nylon
- Construction : Rip Stop
- Colour : Copper
Lining
- Composition : 100% nylon
- Construction : Rip Stop
- Colour : Black
Filling
- Name : Crystal down
- Type : 95/5 900+ European white goose down
- Mixing ratio : 95/5
- Fill power (EU): : 900+ cuin
- Fill power (US): : 950+ cuin