Feathered Friends Vireo UL
Best ultralight insulation for minimalist alpine climbers and thru hikers.
Engineered for the weight-conscious alpine climber, this hoodless and zipperless system strips away every non-essential gram. It relies on a paired down jacket for upper-body warmth, creating a highly efficient, minimalist sleep setup for fast-moving adventures.
$459.00
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Who it's for
- Ultralight backpackers seeking to minimize base weight without sacrificing warmth.
- Alpinists who already carry a heavy parka for their sleep system.
- Gear enthusiasts who value ethically sourced down and domestic manufacturing.
Who should skip it
- Sleepers who want integrated head insulation for maximum simplicity.
- Casual weekenders looking for a versatile, standalone sleeping solution.
- Budget-conscious hikers who prioritize low cost over specialized performance features.
Performance breakdown
Weight Efficiency
Stripped-down design sets the gold standard for ultralight alpine missions.
Insulation Loft
Premium 950-fill down provides exceptional warmth-to-weight ratio for cold nights.
Thermal Versatility
Variable insulation mapping balances heat retention with necessary breathability.
Ease of Entry
Zipperless, hoodless construction demands agility to get in and out.
System Integration
Designed to pair seamlessly with your existing technical down jacket.
Packability
Compresses down to almost nothing, freeing up vital pack space.
Key Specs
Shape
Variable
Weight
1.04 lbs
Max User Height
74 inches
Temperature Rating
25 degrees Fahrenheit
Insulation Type
Down
Fill Power
950
Fill Weight
9.5 oz
Know before you buy
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Ask Metto anything about the Feathered Friends Vireo UL before you decide.
