BEST ULTIMATE expedition sleeping bag: Western Mountaineering Bison Review


Aaron used the Western Mountaineering Bison sleeping bag in Antarctica for three months. It kept him warm and safe in polar storms. It’s rated to -40ºF/C and has all the features that you’d expect in an expedition bag. He talks about the zipper, draw cords, baffles, zipper tape, dimensions, and everything else to learn more about this bag.

0:52 Introduction
1:46 Lay down comparison
2:19 Total bag length, width
3:36 Choosing a zipper side
4:17 Loft measurement on chest, hips, feet
5:11 Made in USA
5:40 Weight
6:13 Zipper length and function
7:14 Foot dimension past zipper
7:34 Getting into the bag, sizing
9:01 Roominess of arms and warm items
9:41 Neck baffle and head covering
12:16 Step on bag comparison
12:36 Neck baffle, drawcord use
14:29 Zipper baffle feature
15:40 Ethical down concerns
17:43 Zipper tape to prevent snags
18:33 Zipper draws
18:55 Extended warmth items
21:19 Bison stuff sack
22:40 Stuffing into compression sac (XL = 30 liters)
23:53 Stuff sack final dimensions
24:15 Removal time from stuff sack
24:58 Where this sleeping bag is needed
25:25 Actual vs rated temperature ratings

Western Mountaineering Bison:
Get the Sea to Summit Event Compression Dry Sack:
Get the Western Mountaineering VLB Hotsac:

Watch his other Western Mountaineering videos:

Megalite bag:
Antelope bag:
Puma bag:
Down booties:
Hotsac Vapor Barrier Liner:
Sleeping 3 bag showdown:

Western Mountaineering FAQs:

Read Antarctic Tears where Aaron talks about his use of the Western Mountaineering Bison bag.

Read Adventure Expedition One to learn more about sleeping bags and the conditions of their use:

Adventure Expedition One

Links to Amazon are paid affiliate links.

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