A close look at two sleeping bags buyers cross-shop. Both are solid; the right one depends on the specs you care about most.
| NEMO Disco 15 | Western Mountaineering Badger MF | |
|---|---|---|
| GearScore | 84✓ | 64 |
| Comfort rating | 27 °F | 25 °F✓ |
| Weight | 2 lb 11.0 oz | 2 lb 6.0 oz✓ |
| Warmth-to-weight | 3.5 /100g | 4.2 /100g✓ |
| Packed size | 6.4 L | n/s |
| Fill power | 650 FP | 850 FP✓ |
| Price | $300 | n/s |
| Fill | Down | Down |
| Style | Bag | Bag |
| Shape | Semi-rectangular | Mummy |
Highlighted cells mark the better spec: Disco 15 in blue, Badger 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 NEMO Disco 15 next to the Western Mountaineering Badger MF and the trade-offs are clear. The Disco 15 wins on balance, and the Badger MF pushes back on warmth and low weight.
The Badger MF is warmer (rated 25°F vs 27°F), 5 oz lighter, and stronger on warmth-to-weight. On the default GearScore the Disco 15 leads 84 to 64.
Pick the Disco 15 if you care most about the overall package. Pick the Badger MF if warmth and low weight matter more to you, or you are focused on colder nights and shoulder-season trips.
The Western Mountaineering Badger MF. It is warmer (rated 25°F vs 27°F) than the Disco 15.
The Western Mountaineering Badger MF. It is 5 oz lighter than the Disco 15.
The NEMO Disco 15, 84 to 64 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Disco 15 for the overall balance, or the Badger MF for warmth. The spec table above shows exactly where each wins.