Two sleeping bags worth lining up side by side. The Flicker UL 20 takes a modest overall edge, led by low weight, but the Hummingbird YF 20 has its own case.
| Feathered Friends Flicker UL 20 | Feathered Friends Hummingbird YF 20 | |
|---|---|---|
| GearScore | 87✓ | 87 |
| Comfort rating | 30 °F | 30 °F |
| Weight | 25.5 oz✓ | 26.1 oz |
| Warmth-to-weight | 5.5 /100g✓ | 5.4 /100g |
| Packed size | 8.0 L✓ | 9.0 L |
| Fill power | 950 FP✓ | 900 FP |
| Price | $559✓ | $569 |
| Fill | Down | Down |
| Style | Quilt | Bag |
| Shape | Quilt | Mummy |
Highlighted cells mark the better spec: Flicker UL 20 in blue, Hummingbird YF 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.
The Feathered Friends Flicker UL 20 and Feathered Friends Hummingbird YF 20 take different routes to the same job. The Flicker UL 20 wins on low weight and warmth-to-weight, and the Hummingbird YF 20 pushes back on value.
The Flicker UL 20 is 1 oz lighter, stronger on warmth-to-weight, and more packable (8 L vs 9 L). Their GearScores land within a couple of points (87 vs 87), so neither runs away with it.
Pick the Flicker UL 20 if you care most about low weight and warmth-to-weight, which makes it the better call for counting grams on long miles. Pick the Hummingbird YF 20 if you would rather save the difference.
The Feathered Friends Flicker UL 20. It is 1 oz lighter than the Hummingbird YF 20.
The Feathered Friends Flicker UL 20. It is stronger on warmth-to-weight than the Hummingbird YF 20.
They are nearly tied at 87 and 87 on the default algorithm, so re-weight the score to your own priorities to break the tie.
It depends on your priorities. Go with the Flicker UL 20 for low weight, or the Hummingbird YF 20 for the price. The spec table above shows exactly where each wins.