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More about UltraLite from Western Mountaineering

Western Mountaineering Ultralite is the ideal sleepingbag for hiking tours during spring, summer and fall. 


Western Mountaineering Ultralite is a lightweight mummy shaped sleeping bag, ideal for biking trips or hiking during spring, summer and fall. The sleeping bag has a full length zipper with insulated draft protection and continuous baffle construction. Thefull down collar helps to seal in heat around your neck without adding excess bulk. The fabric, ExtremeliteTM isconstructed from yarns that are 20 denier or finer with up to a 380 thread count, an extremely high thread count fabric with ultra lightweight yarns. It's not a coincidence that the Ultralite is one of the most popular Western Mountaineering sleeping bags.


Temperature Rating. EN 13537 tested:
T comf: -2ºC 
T lim: -9ºC 
T ext: -27ºC



Specifications Western Mountaineering Ultralite:

  • 850+ Fill power Goose Down
  • Size: 167/183/198 cm
  • Weight: 790/820/880 g
  • Fill weight: 425/450/480 g
  • Inside girth(shoulder/hip/foot):
    167: 152/130/97 cm
    183: 152/130/97 cm
    198: 152/132/97 cm
  • Loft: 12.5 cm
  • Stuff size: 18x33/18x33/18x33 cm
  • Zipper: Left, dual direction, full length,#5 YKK
  • Neck collar: Yes
  • Fabric:ExtremeliteTM
  • Stuffand storagesack included



Specifications for UltraLite:
Weight:820 g
Fits: Spring/Summer/Autumn (comfort rating 0 to -10)
Maximum body length: 198 cm
Fillpower: 850 cuin
Filling: Goosedown
Zipper: Full-length
Filling: Down
Extreme temperature: -27 degrees C
Comfort temperature women (T comf): -2 degrees C
Comfort temperature men (T-Lim): -9 degrees C
Neck collar: Yes
Leverantörens namn: UltraLite
Western Mountaineering is an American brand from San Jose in California. They are world leading when it comes to sleeping bags and nothing else but goose down go into the bags. And always goose down with 850 + Fill Power. The brand also has a smaller range of down clothing. All the products from Western Mountaineering are either made in the U.S. or in Canada and they are almost unbeatable when it comes to most heat to minimum weight and volume.

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