Hummingbird UL 20/30 Sleeping Bag

When every gram counts and warmth can’t be compromised the Hummingbird is the versatile bag of choice. With the slimmest cut in our lineup, the Hummingbird leaves no room to spare; perfect for going fast and light. The Pertex® Endurance® UL variation with 950+ fill power down is our lightest mummy bag ever. Available in 20 Degree & 30 Degree options. Hummingbird too tight for comfort?  Check out the Swallow or Swift for the same great features with a little more room. UL: Ultralight. Pertex® Endurance® 10 denier water-resistant/breathable fabric. "The Hummingbird is almost magical for the warmth and comfort it provides in such a lightweight package." - OutdoorGearLabOutdoorGearLab rated the Hummingbird UL 30 their Top Pick AwardCheck out what they had to say about this ultralight sleeping bag Read the Review Details Mummy shape (narrow) with #5 YKK two-way, separating zipper with locking sliders Passive collar provides an extra cushion of down around your neck to trap the heat Tr