A close look at two sleeping bags buyers cross-shop. On the data the Riff 15 is the stronger all-round pick, and the question is whether the Trail Lite Down 20 still fits your budget or priorities.
| NEMO Riff 15 | The North Face Trail Lite Down 20 | |
|---|---|---|
| GearScore | 85✓ | 64 |
| Comfort rating | 28 °F✓ | 30 °F |
| Weight | 2 lb 7.0 oz | 2 lb 4.2 oz✓ |
| Warmth-to-weight | 3.8 /100g | 3.9 /100g✓ |
| Packed size | 6.2 L | n/s |
| Fill power | 800 FP✓ | 600 FP |
| Price | $360 | n/s |
| Fill | Down | Down |
| Style | Bag | Bag |
| Shape | Semi-rectangular | Mummy |
Highlighted cells mark the better spec: Riff 15 in blue, Trail Lite Down 20 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 Riff 15 next to the The North Face Trail Lite Down 20 and the trade-offs are clear. The Riff 15 is the stronger pick on most of the specs that matter, while the Trail Lite Down 20 makes its case on low weight and warmth-to-weight.
The Riff 15 is warmer (rated 28°F vs 30°F) and higher fill power (800 vs 600). The Trail Lite Down 20 is 3 oz lighter and stronger on warmth-to-weight. On the default GearScore the Riff 15 leads 85 to 64.
Pick the Riff 15 if you care most about warmth and fill power, which makes it the better call for colder nights and shoulder-season trips. Pick the Trail Lite Down 20 if low weight and warmth-to-weight matter more to you, or you are focused on counting grams on long miles.
The NEMO Riff 15. It is warmer (rated 28°F vs 30°F) than the Trail Lite Down 20.
The The North Face Trail Lite Down 20. It is 3 oz lighter than the Riff 15.
The NEMO Riff 15, 85 to 64 on the default algorithm. You can re-weight the factors to match your trip.
The Riff 15 is the stronger all-round pick here. Choose the Trail Lite Down 20 if low weight is your priority.