Vireo UL Ultralight Minimalist Down Sleeping Bag

Name: Vireo UL Sleeping Bag
Brand: Feathered Friends
SKU: 600191
Price: 642.0 CAD
Availability: InStock

Feathered Friends Vireo Ultralight Minimalist Down Sleeping Bag with Flame Orange Pertex Quantum Pro fabric

Feathered Friends Vireo Ultralight Minimalist Down Sleeping Bag with Cerulean blue Pertex Quantum Pro fabric

Feathered Friends Vireo Ultralight Minimalist Down Sleeping Bag with Pertex Undyed fabric

Person sleeping in a Flame orange Feathered Friends Vireo ultralight sleeping bag inside a tent

$642.00

1

Length

68 Inch

74 Inch

Color — Flame

Flame

Cerulean

Undyed

Feathered Friends Sleeping Bags typically ship in 4 to 6 Days

Undyed UL may take extra time and ship within 4-6 weeks

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.

Feathered Friends Vireo Sleeping Bag Width Dimensions Diagram

Dimensions

The interior circumference of the Vireo is measured at four points: the shoulders, at the elbows, around the hips, and at the feet.

SHOULDER: 65" / 165cm
ELBOW: 66" / 167cm
HIPS: 52" / 132cm
FEET: 40.5" / 103cm

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New for Winter 2025/2026: The Vireo UL gets all-new Pertex® Quantum Pro® shell fabric + Pertex® Diamond Fuse lining fabric in the footbox, plus new and familiar colors

The Vireo was designed with a single purpose in mind; fast and light alpine climbs where every gram counts. With no hood, no zipper and a variable fill (the lower half is rated at 25ºF / -4ºC, the upper half 45ºF / 7ºC) the Vireo shaves every last ounce. For maximum efficiency and warmth, pair the bag with a down jacket to not only keep you cozy but also minimize extra gear and weight when it matters most.

UL: Ultralight. Pertex® Quantum Pro® water-resistant/breathable fabric with 950+ Fill Power Down

Best Uses: Ultralight Backpacking, Alpinism, Emergency Bivy

Best for Moving Fast and Light
"We find the Vireo UL oh so comfy without any zippers or other features next to our skin and the perfect companion when you feel the need for speed"

- OutdoorGearLab's Top Pick

Read Review

Details

No zipper to conserve weight and bulk
Drawcord on open end to cinch off apertures
Pertex® Diamond Fuse 15 denier footbox that offers more abrasion protection for more nights at camp
Designed to be worn with a down jacket for upper-body warmth
Differential fills - lower half is filled to 25ºF / -4ºC while the top half is filled to 45ºF / 7ºC
Stuff sack and cotton storage bag included

Specs

Interior Length	68" 68" / 173 cm 74" 74" / 188 cm
Dimensions	65" shoulder / 66" elbow / 52" hip / 40.5" footbox
Zipper	None
Shell	Pertex® Quantum Pro® 7 denier x 30 denier ripstop The durable water repellent (DWR) finish on our Flicker UL Sleeping Bags is made without intentionally added perfluorinated chemicals (PFCs/PFAS).
Lining	Flyte 10 denier recycled nylon + Pertex® Diamond Fuse 15 denier footbox
Fill Power	950+ Goose Down
Origin	Made in Seattle, USA of imported materials

Temp Rating	25ºF (-4ºC) / 45ºF (7ºC)
Fill Weight	68" 8.7 oz / 247 g 74" 9.4 oz / 267 g
Average Weight	68" 15.2 oz / 431 g 74" 1 lb 0.3 oz / 464 g
Packed Size	5L

UL FAQs

Our UL-series sleeping bags get upgraded with a quieter, water-resistant Pertex® Quantum Pro® shell fabric, as well as the introduction of Pertex® Diamond Fuse lining fabric in the footbox for more long-term abrasion resistance.

Undyed fabric is just that: undyed. Both the shell and lining fabrics (except for the footbox lining) have not been treated with dyes (color), so it is an option for those looking for the same benefits of Pertex® Quantum Pro® but with environmental advantages such as reduced water consumption and a lower chemical footprint.

Undyed is more transparent than dyed fabrics.

Undyed UL sleeping bags will take longer than our other colors to manufacture. Please allow up to 4-6 weeks for production.

Materials & Certifications

What's inside this bag.

Pertex Quantum Pro ultralight shell fabric

Pertex® Quantum Pro® Shell

We pair this ultralight Pertex® Quantum Pro® fabric with 950+ fill power down for one of the lightest sleeping bag combinations out there. Water-resistant, breathable, and surprisingly durable, this fabric will help you go the distance.

Pertex® Diamond Fuse Footbox

Inspired by feedback from the thru hiking community, we’ve added Pertex® Diamond Fuse fabric to the foot boxes of our UL sleeping bags. The interlocking diamond-shaped yarn resists pilling, providing improved abrasion protection against rough hiker feet.

Down Certified to the RDS

Our sleeping bags contain 100% Responsible Down Standard (RDS) down fill.

Certified to the Responsible Down Standard by TE-99977174.

Learn About RDS