Two sleeping bags worth lining up side by side. The Disco 30 takes a modest overall edge, led by warmth, but the Soul 30/40 has its own case.
| NEMO Disco 30 | NEMO Soul 30/40 | |
|---|---|---|
| GearScore | 81✓ | 79 |
| Comfort rating | 40 °F✓ | 41 °F |
| Weight | 31.0 oz | 31.0 oz |
| Warmth-to-weight | 3.4 /100g✓ | 3.3 /100g |
| Packed size | 3.7 L✓ | 6.4 L |
| Fill power | 650 FP | n/s |
| Price | $280 | $270✓ |
| Fill | Down | Synthetic |
| Style | Bag | Bag |
| Shape | Semi-rectangular | Mummy |
Highlighted cells mark the better spec: Disco 30 in blue, Soul 30/40 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.
The NEMO Disco 30 and NEMO Soul 30/40 take different routes to the same job. The Disco 30 wins on warmth and warmth-to-weight, and the Soul 30/40 pushes back on price.
The Disco 30 is warmer (rated 40°F vs 41°F), stronger on warmth-to-weight, and more packable (3.7 L vs 6.4 L). The Soul 30/40 is $10 cheaper. On the default GearScore the Disco 30 leads 81 to 79.
Pick the Disco 30 if you care most about warmth and warmth-to-weight, which makes it the better call for colder nights and shoulder-season trips. Pick the Soul 30/40 if price matter more to you, or you are focused on getting the most for your money.
The NEMO Disco 30. It is warmer (rated 40°F vs 41°F) than the Soul 30/40.
The NEMO Disco 30. It is stronger on warmth-to-weight than the Soul 30/40.
The NEMO Disco 30, 81 to 79 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Disco 30 for warmth, or the Soul 30/40 for price. The spec table above shows exactly where each wins.