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When every gram counts and warmth can’t be compromised the Hummingbird is the versatile bag of choice. With the slimmest cut in our lineup, the Hummingbird leaves no room to spare; perfect for going fast and light. The Pertex® Endurance® UL variation with 950+ fill power down is our lightest mummy bag ever.
Available in 20 Degree & 30 Degree options.
Looking for the Merlin 30 UL? You're in the right place! The Merlin 30 has been renamed the Hummingbird 30.
Hummingbird too tight for comfort? Check out the Swallow or Swift for the same great features with a little more room.
UL: Ultralight. Pertex® Endurance® 10 denier water-resistant/breathable fabric.
"The Hummingbird is almost magical for the warmth and comfort it provides in such a lightweight package."
- OutdoorGearLab
OutdoorGearLab rated the Hummingbird UL 30 their Top Pick Award
Check out what they had to say about this ultralight sleeping bag Read the Review
OutdoorGearLab rated the Hummingbird UL 30 their Top Pick Award
Check out what they had to say about this ultralight sleeping bag Read the Review
Details
- Mummy shape (narrow) with #5 YKK two-way, separating zipper with locking sliders
- Passive collar provides an extra cushion of down around your neck to trap the heat
- Trapezoidal footbox allows your feet to fall in a natural pose without compressing the sides
- Continuous baffles let you position the insulation where you need it
- 3D contoured hood opens wide for warm nights and cinches tight when the temps start to drop
- Generous draft tube prevents cold air from seeping past the zipper
- Includes storage bag & stuff sack
Additional Info
| Ideal Sleeper Height | Reg 6' 0" / 183 cm Long 6' 6" / 198 cm |
|---|---|
| Dimensions | 58" shoulder / 52" hip / 38" footbox |
| Zipper | Left Side |
| Shell | Pertex® Endurance® UL |
| Lining | Flite 15 denier ripstop nylon |
| Fill Power | 950+ Goose Down |
| Origin | Made in Seattle, USA of imported materials |
| Temp Rating | 20ºF / -6.67ºC | 30ºF / -1.1ºC |
|---|---|---|
| Fill Weight |
Reg 14 oz / 397 g Long 14.6 oz / 415 g |
Reg 11.5 oz / 327 g Long 12 oz / 342 g |
| Average Weight |
Reg 1 lb 8 oz / 680 g Long 1 lb 9.4 oz / 720 g |
Reg 1 lb 5.4 oz / 606 g Long 1 lb 6.4 oz / 635 g |
| Packed Size | 9L | 8L |
Reviews
Customer Reviews
4.8 Based on 58 Reviews
Customer Photos
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PE
09/20/2023
Porter E.
United StatesHummingbird 20
Really happy I picked this over the roomier swallow, just the right amount of room for me with a bit left over for layering (140lbs 5’8”) The quality of construction and materials is without fault, my only criticisms are minor in the hope FF further improves this fabulous bag. The zipper plow does does do a good job preventing fabric snags, but it’s slow and a bit clunky to operate. I prefer the oversized dual fabric stiffeners running the length of the zipper on WM bags as a snagging solution, paired with a smooth operating standard slider. Arguably a 20 degree bag ought to have a proper draft collar. There really is none whatsoever on this bag, so when you need it to perform at its warmest it’ll mean cranking down the hood tight around the face. Personally I’m happy with none, knowing that I can add an insulated jacket for easier comfort when nearing the bags lower limit. When temps are regularly below freezing I’m switching to a warmer bag anyway. But for folks wishing to use this bag below freezing without the help of an insulated jacket, I would recommend considering alternatives with a real draft collar. Lastly, I wish FF would offer at least three length options. 5’10”, 6’2”, and 6’6” I think would make a lot of people happy with a more accurate fit. Overall a lovely bag I look forward to using for many years, thanks feathered friends!
A
09/19/2023
Anonymous
United StatesHummingbird UL 20
Excellent. It seems like an ideal 3 season bag for backpacking. Perfect combination of lightweight yet very warm and just roomy enough.
JB
09/15/2023
John B.
United StatesPorcupine Wilderness
This bag kept me warm backpacking in the Porcupine Wilderness. It’s light weight was key, as small pack size.
NN
07/10/2023
Nikolett N.
United StatesBest choice ever!
I am really-really satisfied with my Hummingbird. The reason why I choose this sleeping bag that I am really cold when the temperature under 10 - my feet and waist are always freezing - BUT I wanted to get a lightweight sleeping pad. After an all-encompassing research the best solution for me was the Feathered and Friends gears. I tried the Hummingbird at the last week in Danmark and it was awesome. One of my best choice ever!
A
07/03/2023
Anonymous
United StatesPerfect for backpacking
I first used this on a 3-day backpacking trip in the Adirondacks. The sleeping bag was incredibly light and kept me nice and toasty. Looking forward to using it again!