A close look at two sleeping bags buyers cross-shop. On the data the Vesper 20 is the stronger all-round pick, and the question is whether the Revelation 20 still fits your budget or priorities.
| Therm-a-Rest Vesper 20 | Enlightened Equipment Revelation 20 | |
|---|---|---|
| GearScore | 91✓ | 69 |
| Comfort rating | 32 °F | 30 °F✓ |
| Weight | 19.0 oz✓ | 19.2 oz |
| Warmth-to-weight | 7.1 /100g | 7.4 /100g✓ |
| Packed size | 3.1 L | n/s |
| Fill power | 900 FP✓ | 850 FP |
| Price | $460 | n/s |
| Fill | Down | Down |
| Style | Quilt | Quilt |
| Shape | Quilt | Quilt |
Highlighted cells mark the better spec: Vesper 20 in blue, Revelation 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 Therm-a-Rest Vesper 20 next to the Enlightened Equipment Revelation 20 and the trade-offs are clear. The Vesper 20 is the stronger pick on most of the specs that matter, while the Revelation 20 makes its case on warmth and warmth-to-weight.
The Vesper 20 is 1 oz lighter and higher fill power (900 vs 850). The Revelation 20 is warmer (rated 30°F vs 32°F) and stronger on warmth-to-weight. On the default GearScore the Vesper 20 leads 91 to 69.
Pick the Vesper 20 if you care most about low weight and fill power, which makes it the better call for counting grams on long miles. Pick the Revelation 20 if warmth and warmth-to-weight matter more to you, or you are focused on colder nights and shoulder-season trips.
The Therm-a-Rest Vesper 20. It is 1 oz lighter than the Revelation 20.
The Enlightened Equipment Revelation 20. It is warmer (rated 30°F vs 32°F) than the Vesper 20.
The Therm-a-Rest Vesper 20, 91 to 69 on the default algorithm. You can re-weight the factors to match your trip.
The Vesper 20 is the stronger all-round pick here. Choose the Revelation 20 if warmth is your priority.