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Mountain Hardwear

Mountain Hardwear Bishop Pass 15deg Sleeping Bag

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Rated 15°f

For three-season cold-weather use

650-fill Down

Lightweight warmth and compressibility

Shaped Draft

Collar and down-filled face gasket

Contoured Footbox

Follows a natural foot position

Includes Compression

Sack and mesh storage bag

$335.00
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SKU: WX2*0748931

Overview

Built for moving between backcountry camps, climbing trips, and vehicle-based overnights, this down sleeping bag is aimed at users who want a versatile cold-weather option without unnecessary bulk. Its 15°F rating, 650-fill down, and Performance Plus mummy cut are paired with a shaped draft collar, down-filled face gasket, and full-length draft tube to help manage warmth. The contoured footbox is designed for a more natural sleeping position, while the two-way zipper, internal stash pocket, and included compression and storage sacks add practical utility. A DWR finish and Responsible Down Standard certification round out a package that balances comfort, packability, and straightforward performance.

Why Hunters Choose the Mountain Hardwear

Rated Down

To 15°F for three-season cold-weather

650-fill Down

Lightweight warmth and compressibility

Shaped Draft

Collar and down-filled face gasket

Contoured Footbox

Follows a natural foot position

Includes Compression

Sack and mesh storage bag

Key Features

  • Rated to 15°F for three-season cold-weather use.
  • 650-fill down provides lightweight warmth and compressibility.
  • Shaped draft collar and down-filled face gasket help seal in warmth.
  • Contoured footbox follows a natural foot position for added comfort.
  • Includes compression sack and mesh storage bag for packing and storage.
  • Features a full-length down draft tube and anti-snag YKK zipper.
  • Left- and right-hand zipper options support zip-together functionality.

Best Used For

  • Backpackers needing a warm, compressible bag for shoulder-season trips and changing conditions.
  • Climbers wanting a lightweight sleeping bag with a contoured fit and easy packability.
  • Campers who prefer a mummy-cut bag with ventilation options for variable nighttime temperatures.
  • Users setting up car-camping or basecamp sleep systems where included storage and compression sacks help organization.

Specifications

Blade FinishDWR finish fabrics
Draft CollarShaped draft collar
Draft TubeFull length down draft tube
Face GasketAdjustable down-filled face gasket
FootboxContoured foot-box
Included AccessoriesCompression sack and mesh storage bag
Insulation650-fill down
Internal PocketInternal stash pocket
LoopsHang loops and sleeping pad loops
Responsible Down StandardYes
ShapePerformance Plus Mummy cut
Temperature Rating15°F
Zipper#5 YKK zipper with anti-snag slider
Zipper ConfigurationTwo-way zipper
Zipper Orientation OptionsLeft hand and right hand zipper options available
Zipper PullGlow in the dark zipper pull

Pros

  • Rated down to 15°F for three-season cold-weather use.
  • 650-fill down offers lightweight warmth and compressibility.
  • Shaped draft collar and down-filled face gasket help retain heat.
  • Contoured footbox follows a natural foot position for added comfort.
  • Includes compression sack and mesh storage bag for easier packing and storage.
  • Left- and right-hand zipper options support zip-together functionality.

Considerations & Trade-offs

  • Rated down to 15°F, so it is a colder-weather bag rather than a warm-season option.
  • The Performance Plus mummy cut is efficient and warm, but it offers less room than a roomier sleeping-bag shape.
  • The included compression sack helps with packing, but compressing down insulation is a trade-off versus long-term loft when stored that way.
  • The DWR finish can help shed moisture, but it does not make the bag a substitute for a fully waterproof sleep system.

Suggested Comparisons

  • Backpacking sleeping bags
  • Three-season sleeping bags
  • Down sleeping bags
  • Mummy sleeping bags

Suggested Accessories

  • Sleeping pad
  • Sleeping bag liner
  • Compression sack
  • Stuff sack

Frequently Asked Questions

What temperature is the Bishop Pass Sleeping Bag rated for?

The product is rated down to 15°F.

Does this sleeping bag include storage or compression accessories?

Yes. A compression sack and a mesh storage bag are included.

Does the Bishop Pass have features for ventilation and zipper use?

Yes. It has a two-way zipper for ventilation options, a reliable #5 YKK zipper with an anti-snag slider, and a glow-in-the-dark zipper pull.

Is the down in this sleeping bag responsibly sourced?

The product description says the down is certified to the Responsible Down Standard, which tracks it from the source to the final product and includes animal welfare requirements.

What comfort-focused design details does it have?

The bag includes a contoured foot-box, a shaped draft collar, an adjustable down-filled face gasket, a full-length down draft tube, and a Performance Plus mummy cut.