A close look at two sleeping bags buyers cross-shop. Both are solid; the right one depends on the specs you care about most.
| Mountain Hardwear Bishop Pass 15F | Western Mountaineering Apache MF | |
|---|---|---|
| GearScore | 84✓ | 65 |
| Comfort rating | 26 °F | 25 °F✓ |
| Weight | 2 lb 5.4 oz | 32.0 oz✓ |
| Warmth-to-weight | 4.2 /100g | 5.0 /100g✓ |
| Packed size | 8.1 L | n/s |
| Fill power | 650 FP | 850 FP✓ |
| Price | $335 | n/s |
| Fill | Down | Down |
| Style | Bag | Bag |
| Shape | Mummy | Mummy |
Highlighted cells mark the better spec: Bishop Pass 15F in blue, Apache MF in amber. A blank spec is never counted as a win. A lower comfort rating in °F means a warmer bag, so the warmer bag takes that row. GearScore is the overall rating (0 to 100); re-weight it on the full bag comparison. Prices are current MSRP.
Put the Mountain Hardwear Bishop Pass 15F next to the Western Mountaineering Apache MF and the trade-offs are clear. The Bishop Pass 15F wins on balance, and the Apache MF pushes back on warmth and low weight.
The Apache MF is warmer (rated 25°F vs 26°F), 5 oz lighter, and stronger on warmth-to-weight. On the default GearScore the Bishop Pass 15F leads 84 to 65.
Pick the Bishop Pass 15F if you care most about the overall package. Pick the Apache MF if warmth and low weight matter more to you, or you are focused on colder nights and shoulder-season trips.
The Western Mountaineering Apache MF. It is warmer (rated 25°F vs 26°F) than the Bishop Pass 15F.
The Western Mountaineering Apache MF. It is 5 oz lighter than the Bishop Pass 15F.
The Mountain Hardwear Bishop Pass 15F, 84 to 65 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Bishop Pass 15F for the overall balance, or the Apache MF for warmth. The spec table above shows exactly where each wins.