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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® Endurance® 10 denier water-resistant/breathable fabric.
Best Uses: Ultralight Backpacking, Alpinism, Emergency Bivy
"For those who have their sights on first ascents, ultralight pursuits, or savings in weight and bulk with respect for RDS certified down, the top-shelf 900-plus* fill Vireo could be your ticket."
-GearJunkie
*We currently use 950-plus fill power goose down for the Vireo UL
Details
- No zipper to conserve weight and bulk
- Drawcord on open end to cinch off apertures
- 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
Additional Info
| Interior Length | 68" 68" / 173 cm 74" 74" / 188 cm |
|---|---|
| Dimensions | 66" shoulder / 48" hip / 38" footbox |
| Zipper | None |
| 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 | 25ºF (-4ºC) / 45ºF (7ºC) |
|---|---|
| Fill Weight | 68" 8.7 oz / 247 g 74" 9.4 oz / 267 g |
| Average Weight | 68" 15.6 oz / 441 g 74" 1 lb 0.7 oz / 474 g |
| Packed Size | 5L |
