Mountain Hardwear Bishop Pass Windstopper Sleeping Bag 0F
- 0F rated alpine mummy bag
- 650-fill down insulation
- GORE-TEX WINDSTOPPER 2-layer shell
- 3.9 pounds
- 40D recycled nylon face, 20D nylon ripstop lining
- Reg/Left Zip, YKK anti-snag zipper
Updated 20 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A serious winter bag for alpine climbers and winter campers who sleep exposed to wind and frost. It is built for deep cold, so it will be too warm for summer trips.
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ASIN: B0H227GGFSCategory: Sleeping Bags
Overview
A frigid tent on a ridgeline or a high-altitude bivy is where the Bishop Pass Windstopper earns its keep, pairing down insulation with a wind-blocking shell. A shaped draft collar and down-filled face gasket seal warmth around the shoulders and head.
The WINDSTOPPER shell guards the down against wind and moisture, a real asset when sleeping without a tent wall. The weight and warmth make sense only for cold seasons.
Who it's for
Made for winter summits, alpine routes and shoulder-season trips in unpredictable weather. Car campers in mild weather will overheat and carry extra weight.
Pros and cons
- Wind and water blocking shell
- Draft collar and face gasket
- Contoured footbox for warm feet
- Compression and storage sacks included
- Too warm for summer
- Left zip only in this version
- Down loses loft if soaked
Performance notes
Down warmth depends on staying dry and lofty, and the breathable WINDSTOPPER shell blocks wind and moisture while letting body vapor out. The draft collar and face gasket stop warm air pumping out each time you move.
Specifications
| Brand | Mountain Hardwear |
|---|---|
| Dimensions & fit | |
| Size | Reg/Left Zip |
| Item weight | 3.9 pounds |
| Capacity & performance | |
| Temperature Rating | 0F |
| Construction & materials | |
| Fill Material Type | 650-fill down |
| ShellMaterial | 40D 100% recycled nylon face, 20D nylon ripstop lining, GORE-TEX WINDSTOPPER 2-layer |
| Included components | |
| Included Components | Compression sack, storage sack |
| Warranty & support | |
| Warranty Description | Limited Warranty |
| Other details | |
| Occupancy | 1 Person |
| Shape | Mummy |
| Closure Type | YKK anti-snag zipper |
| Seasons | Winter |
Frequently asked questions
Does the Bishop Pass Windstopper Reg/Left Zip open on the right?
No. This version is Reg/Left Zip, so the zipper is on the left side.
Is the Bishop Pass Windstopper shell fully waterproof?
The listing says the WINDSTOPPER shell blocks wind and water while staying breathable; it does not call the bag fully waterproof.
Does the Bishop Pass come with a stuff sack?
Yes. The description mentions included compression and storage sacks.