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  • Description

    The Hydrogen delivers enough warmth for ultra-light cool-weather climbs and backcountry excursions, while still weighing in at a wispy one pound for light and fast climbs and hikes.

    Fold-Down Second Zipper Provides added Ventilation, Easy Access. Anti-Snag Slider reduces Snagging
    Anatomical Wrap-Around Footbox Increases Insulation and Room for Your Feet, More Warmth and Comfort
    Smooth-Curved Baffles Reduce Down Shifting. Nautilus Multi-Baffle Hood limits heat loss
    Filled and Finished in Rohnert Park, California
    Certified 800+ Fill Power Goose Down
    Ultralight Pertex Microlight 20d 100% Nylon Ripstop DWR 1.03 oz/sqyd
    EN Tested
    Full Length Locking YKK Two Way Zipper with Zip-Guard Slider
    Down Defender to Improve Water-Resistance in Wet Conditions
    Nautilus Multi-Baffle Hood
    Internal Stash Pocket
    Snagless Insulated Draft Tube
    Hood Draw Cord
    Two Way Zipper Sliders
    Zipper Garage
    Stretch Tricot Baffles
    Two Hang Loops
    Stuff and Storage Sack Included

    Main materials: Pertex 20d 100% Nylon R/S 1.03oz/yd
    Bag temperature(°C): -1° C
    Bag temperature(°F): 30° F
    Insulation: 800+ Fill Power Goose Down
    Lining: 30d 100% Nylon DWR 1.09 oz/yd
    Weight: 1lbs 7.3oz (665g)

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