Feathered Friends

Hummingbird YF 20/30 Sleeping Bag - Muscovy Down

Hummingbird YF 20/30 Sleeping Bag - Muscovy Down - Main image
$289.17 $529 In stock

Category: Three Season Bags

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.

Available in 20 Degree and 30 Degree options.

Hummingbird too tight for comfort?  Check out the Swallow or Swift for the same great features with a little more room.


Our YF line of sleeping bags feature a lightweight, 100% nylon Pertex® Quantum® shell that uses yarns with unique Y-shaped filaments to create a fabric with increased downproofing and water beading properties, even after years of use and washing.

YF: YFuse. Pertex Quantum® 20 denier mini-ripstop fabric

Details

  • 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
  • #5 YKK two-way zipper with locking sliders
  • Top-stitch construction ideally suited to our ultralight fabrics
  • Includes storage bag & stuff sack

Specs

Ideal Sleeper Height
Reg 6' 0" / 183 cm
Long 6' 6" / 198 cm
Dimensions 57" shoulder / 60" elbow / 53" hip / 41" footbox
Zipper Left Side
Shell Pertex® YFuse®
Lining 20d 37g/m² nylon taffeta made from NetPlus® post-consumer recycled nylon.

NetPlus® helps reduce ocean plastic pollution by incentivizing fishing communities to turn in end-of-life nets for recycling before potentially ending up in the environment.  
Fill Power 900+ Fill Power Ultrasonic Muscovy Down or 900+ Fill Power Goose Down
Origin Made in Seattle, USA of imported materials
Temp Rating 20ºF / -6.67ºC 30ºF / -1.1ºC
Fill Weight Reg 14 oz / 399 g
Long 14.8 oz / 420 g
Reg 11.5 oz / 323 g
Long 12 oz / 345 g
Average Weight Reg 1 lb 10.1 oz / 741 g
Long 1 lb 11.8 oz / 789 g
Reg 1 lb 7.5 oz / 665 g
Long 1 lb 9.2 oz / 714 g
Packed Size 9L 8L
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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Grace ★★★★★

The slimmest cut in their lineup means zero wasted fabric, and it’s exactly what I needed for my ultralight pack. Took it out on a chilly mountain night and the Muscovy down held warmth through dawn without any drafty gaps.

Daniel K. ★★★★★

I was worried about the slim cut, but it actually traps heat perfectly without feeling restrictive. The Muscovy down is noticeably warmer than my old synthetic bag on chilly nights.

Sebastian N. ★★★★★

Slept like a rock in 28-degree weather, and the slimmest cut actually made a huge difference for how compact it packed in my backpack. The Muscovy down kept me toasty without feeling like I was swaddled in a furnace.