- Ultralight and packable certified 800-fill-power goose down with eco-friendly ExpeDRY water-repellent finish that increases performance and durability with reduced drying time
- Anti-snag slider on main zipper and fold-down second zipper provide added ventilation and easy access in and out of sleeping bag
- Anatomically designed footbox with wrap-around construction increases warmth
- Smooth, curved baffles reduce down from shifting, increasing durability and reducing inconsistent heating inside bag
- ISO-tested for reliable temperature and comfort rating
- Stuff and storage sack included
- Bag Temperature: 30°F/-1°C
- Tested Comfort: 36˚F/2˚C
- Tested Limit: 27˚F/-3˚C
- Footbox Size: Regular - 39.0in, 99cm. Long - 40.9in, 104cm
- Hip Girth: 55.9in, 142cm. Long - 57.9in, 147cm
- Shoulder Girth: Regular - 61in, 155cm. Long - 63in, 160cm
- Stuff Sack Size: Regular - 11.8 x 5.9in, 30 x 15cm. Long - 11.8 x 5.9in, 30 x 15cm
- Weight: Regular - 1lbs 9.4oz, 720.0g. Long - 1lbs 12.6oz, 811.0g
- Zipper Location: Left Side
- Insulation: Down Defender, Goose Down
Refuel on your next cold backpacking adventure in the ultralight, eco-friendly Hydrogen 30° Sleeping Bag - Long, featuring a new sustainable ExpeDry water-repellent technology that increases performance and reduces the drying time of your down bag. With an optimal ISO-tested comfort right around freezing, the Hydrogen will give you the warmth you need in a super-packable 800-fill-power down bag designed to easily stuff into any overnight pack. A thru-hiking favorite for years, the new gas bags provide lightweight warmth that's light on the Earth—perfect when you're looking to maximize miles or speed in the mountains and minimize weight and space in your pack. If going tent-less or camping with the car is in the plan, the Hydrogen will perform as a bivvy or a super-lofty trunk and rooftop snoozer.