Western Mountaineering Bristlecone MF -23C Winter Down Sleeping Bag - Unisex 5010-681

Western Mountaineering Bristlecone MF -23C Winter Down Sleeping Bag - Unisex


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Show Description

No cold can turn you away when you're hunkered down in your Bristlecone. It's built big and is filled with down, to yield 20cm of simmering loft to keeps you heated. A large draft tube and down filled collar make certain that winter remains outside. With 2 zippers, it can be zipped to other Western Mountaineering mummy bags or unzipped to lie flat.

  • Shell is weather-resistant MicroLite XP™ microfibre. While extremely weather resistant, MicroLite XP retains excellent breathability to prevent your bag from wetting out.
  • Semi-rectangular shape with a full collar and insulated hood.
  • Insulated with goose down.
  • 15cm spacing, sideblock baffle construction.
  • 2 #5 YKK locking zippers.

Tech specs

Show Tech specs
Ideal for Winter and expedition camping
  • Regular fits to 6' 0" (183 cm)
  • Long fits to 6' 6" (198 cm)

The number of average sized people that the product can comfortably sleep.

Seasons Winter (-15°C to -40°C)
Temperature -23°C
Shape Mummy
Insulation 850+ fill-power goose down
Down weight

The amount of down used to fill the product (measured in grams and given for size medium bags).

Construction Baffle
Packed size 25 x 50cm

The thickness or puffiness of a bag – a key factor in determing a bag's warmth.

Shoulder girth 175cm
Hip girth 155cm
Foot girth 122cm

An insulated collar that covers yours neck and shoulders to reduce heat loss.

Additional feature(s)
  • Draft tube behind zipper
  • DWR-treated shell fabric
  • Stuff sack included
Made in USA