Feathered Friends Petrel 10 UL Women&
Feathered Friends Petrel 10 UL Women&

Petrel 10 UL Women's Sleeping Bag

Regular price Sale price$639.00
47 reviews


Due to high demand, Feathered Friends sleeping bags may take 5 to 9 days to complete. Please view our Shipping information here.

Once we receive your order, we will finish hand-crafting your sleeping bag right here in Seattle!

If you have an urgent deadline, do not hesitate to contact us.

*Sleeping bags may take up to two weeks to ship. Please check our Shipping Info page for more details. Thanks!*

Our warmest three season bag for the female adventurer. Based on the ideas of our testers, the bag features extra fill in the footbox and chest while maintaining a sleek profile and light construction to maximize the warmth from the 950+ fill down. The Petrel is not only an excellent choice for spring and fall adventures, but also a popular summer bag for the coldest of sleepers and a longtime favorite for summer climbs of Mount Rainier.

UL: Ultralight. Pertex® Endurance®10 denier water-resistant/breathable fabric


  • Mummy shape with #5 YKK two-way, separating zipper with locking sliders
  • Full draft 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


Mummy Sleeping Bags

Feathered Friends Women's mummy sleeping bags are built a bit more trim around the shoulders, but more space in the waist and hips.

Have questions on sizing? Feel free to Contact Us - We're happy to help!

Additional Info

Ideal Sleeper Height Small 5' 3" / 160 cm
Med 5' 9" / 175 cm
Dimensions 54" shoulder / 56" hip / 38" footbox
Zipper Right 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 10ºF / -12.2ºC
Fill Weight Small  1 lb 4 oz /  567 g 
Med  1 lb 5.3 oz /  604 g
Average Weight Small  1 lb 14.2 oz /  857 g 
Med  2 lb 0.3 oz /  916 g
Packed Size 11L


Customer Reviews
4.8 Based on 47 Reviews
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United States United States

10/10 recommend

I love this sleeping bag. It was everything I was looking for, it’s changed my opinion on winter hiking for good. I slept warm and comfortable through every night, it felt like sleeping in a cloud. I was skeptical of spending the money at first, but have no regrets from this purchase… definitely recommend.

United States United States

Most confortable sleeping bag ever!

Slipping into my Feathered Friends sleeping bag is like slipping into a dream! It is so smooth and comfortable! Love the quality!

United States United States

Excellent product!

Exceptional sleeping bag, light and warm!

  • How is the fit of the sleeping bag? Runs SnugVery Roomy
  • How is the warmth? Not WarmExtremely Warm
  • How would you rate the quality? Not greatExcellent
Sheena C.
United States United States


the sleeping bag is SO lofty (so much so that I struggle to get it back inside the bag it came with) and so comfortable. I’m a cold sleeper, and I slept warm on a night when the condensation froze over on my tent. I did have my puffy jacket and thick socks on. I chose this over the 0 down bag because this one is way more packable and light, and more versatile since I can use a thermo liner if I really needed that extra 10 degrees of warmth. I’m 5’1, and i was able to put my legs up and to the side in all sorts of weird positions loI. hope to keep this bag for a very long time!

  • How is the fit of the sleeping bag? Runs SnugVery Roomy
  • How is the warmth? Not WarmExtremely Warm
  • How would you rate the quality? Not greatExcellent
United States United States

such a cozy sleeping bag

after many chilly nights in the Sierra, I purchased this bag 6 years ago and have never had a cold night since! I love the hood and how the down cradles my neck. Also, I never need to wear socks to keep my toes warm as the toe box on this bag is super full of down. The size is perfect for me...I mostly sleep on my back, but even when I sleep on my side there is enough room to curl up my knees too. For how much warmth this bag provides, it is very light and compresses into a small 10L sack.

  • Fit Runs SnugVery Roomy
  • Warmth Not WarmExtremely Warm
  • How would you rate the quality? Not greatExcellent