Lighter and more packable than before, the Hydrogen sleeping bag conserves space while preventing down from shifting with curved baffles. At the same time, its more compact presentation doesn’t skimp on what’s important for those backcountry excursions, so you continue to remain warm in colder temperatures.

• Made out of Pertex 20D 100% nylon ripstop
• Made out of 30D 100% nylon DWR
• Insulation is 800+ fill power goose down
• Fold-down zipper gives you better ventilation and easy access
• Anatomically designed foot box features wraparound construction to deliver more warmth
• Smooth-curved baffles reduce down shifting
• Multi-baffle hood, with a drawcord, keeps heat in
• EN Tested
• Full-length locking YKK two-way zipper features a zip-guard slider
• Down defender improves water resistance
• Equipped with an internal stash pocket
• Comes with a snag-less insulated draft tube
• With two-way zipper sliders and a zipper garage
• Includes stretch tricot baffles and two hang loops
• Comes with stuff and storage sacks
• Imported