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Western Mountaineering
Bristlecone MF Sleeping Bag: -10F Down

1 out of 5 stars
1 Review
$1,090.00 - $1,130.00
Color:Forest Green

Size:

Quantity


Bristlecone MF Sleeping Bag

Western Mountaineering's Bristlecone MF Sleeping Bag is a semi-rectangular bag built for subzero temperatures. Ideal for most winter endeavors, the Bristlecone's 850+ down insulation has the loftiest fill rating, resulting in the highest warmth to weight ratio available on the market. Unlike most water-resistant shells, Western Mountaineering's MicroLite XP fabric offers long-lasting weather protection. The MicroLite XP shell helps the down retain its lofty warmth in moisture-riddled environments.


Western Mountaineering critically thought out the bag's design to the smallest details, making the Bristlecone a long-lasting and very versatile choice. A differential cut places more fabric at the lining to ensure maximum loft inside the bag, and continuous baffles allow you to shift the bag's down towards the top or bottom for more or less warmth. Hook-and-loop tabs let you pull the hood, draft tube, and draft collar farther or closer to you for customized coverage. Extra convenient features include dual zippers on the left or right side, a waterproof stuff sack, and a storage sack with a large volume that helps the bag retain its loft over time.


Details

  • Sleeping bag built for winter camping and backpacking
  • Light, lofty 850+ fill down insulation has a -10F temperature rating
  • MicroLite XP is water-resistant and breathable
  • Adjustable hood, draft collar, and draft tubes secure coverage
  • Stuff and storage sacks included
  • 2 zippers allow this bag to lie flat or attach to another Western Mountaineering mummy bag
  • Item #WES000P
Material
MicroLite XP (polyester microfiber)
Insulation
850+ fill down
Shape
semi-rectangular
Zipper
full-length, dual-design
Max User Height
6ft, 6ft 6in
Shoulder Circumference
69in
Hip Circumference
61in
Foot Circumference
48in
Bag Length
6ft, 6ft 6in
Draft Tube
insulated
Pockets
none
Pad Retainer
none
Fill Weight
[6ft] 2lb 10oz, [6ft 6in] 2lb 13oz
Degree
-10F
Storage Sack
large volume
Stuff Sack
urethane coated
Stuff Size
10 x 20in
Claimed Weight
[6ft] 3lb 15oz, [6ft 6in] 4lb 3oz
Manufacturer Warranty
lifetime
Activity
winter camping

Overall Rating

1 based on 1 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 0 reviews

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1 out of 5 stars

February 2, 2024

Not a backpacking or mountaineering bag.

Familiarity:
I've used it once or twice and have initial impressions
Height:
5' 10"
Weight:
168

This freaking thing is huge...not easily rolled up and put in a pack. The material is so slick your hands and fingers slide all over the place trying to roll it up when it's cold. It is next to impossible to roll it into the bag without having someone lie on the thing while you are rolling it and once you do, the thing takes up nearly 3/4 of my 65L pack. This bag is meant for cold weather camping in an Airstream, not for backpacking or mountaineering. Very disappointed. Understand the bag is described as "burly" but it is also unwieldy.

Edward W