Vireo UL Sleeping Bag

Our latest generation: 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

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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