Feathered Friends Petrel UL Sleeping Bag
Best ultralight insulation for dedicated backcountry hikers seeking maximum warmth.
This is the gold standard for alpine missions where every ounce counts. By prioritizing high-loft warmth and a streamlined mummy fit, it eliminates the bulk of traditional bags. You sacrifice a bit of wiggle room for a serious, ultralight barrier against freezing temperatures that won't weigh down your pack.
$287.55
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Who it's for
- Ultralight backpackers prioritizing maximum warmth with minimal weight.
- Women seeking a thermally efficient bag tailored to their anatomy.
- Backcountry campers frequently facing high-moisture environments or heavy condensation.
Who should skip it
- Budget-conscious hikers seeking a more affordable entry-level sleeping bag.
- Last-minute shoppers needing immediate gear for an upcoming trip.
- Restless sleepers who require extra room to move during the night.
Performance breakdown
Warmth-to-Weight Ratio
Industry-leading 950-fill down delivers incredible heat retention at minimal weight.
Thermal Efficiency
Contoured mummy shape and draft collar effectively eliminate cold dead space.
Weather Protection
Pertex Endurance shell reliably fends off moisture and biting alpine winds.
Down Distribution
Continuous baffles allow precise down shifting to eliminate pesky cold spots.
Packability
High-loft down compresses down to a fraction of its inflated size.
Ergonomic Design
Trapezoidal footbox provides ample room without sacrificing essential thermal performance.
Key Specs
Weight
2.0 lbs
Temperature Rating
10 degrees Fahrenheit
Insulation Type
Down
Fill Power
950 cubic inches per ounce
Shell Material
Pertex Endurance
Zipper Location
Right
Water Resistant
Yes
Season Rating
3-Season
Sleeping Bag Shape
Mummy
Has Draft Collar
Yes
Know before you buy
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Ask Metto anything about the Feathered Friends Petrel UL Sleeping Bag before you decide.