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    Outdoor Research Helium Emergency Bivy – Ultra Lightweight & Water-Resistant Layer for Sleeping Bag image 1
    Outdoor Research Helium Emergency Bivy – Ultra Lightweight & Water-Resistant Layer for Sleeping Bag image 2
    Outdoor Research Helium Emergency Bivy – Ultra Lightweight & Water-Resistant Layer for Sleeping Bag image 1

    Outdoor Research Helium Emergency Bivy – Ultra Lightweight & Water-Resistant Layer for Sleeping Bag

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    Outdoor Research
    Outdoor Research
    Even with an ideal forecast and immaculate itinerary, adventures can go wrong. Nobody wants to plan for the unexpected overnight bivouac, much less pack for it. Enter the Helium Emergency Bivy: The ultralight emergency shelter system that you'll barely even notice is there. Using the completely waterproof and seam-taped protection of Pertex Shield+, this simple tube-like construction uses a cinch closure to seal out the elements and save on bulk. Weighing in at an undetectable 6 ounces and packing down to the size of a beer can, the Helium Emergency Bivy is the perfect piece to keep at the bottom of your pack for unpleasant surprises in the backcountry.
    • EMERGENCY BIVY: Keep yourself protected from the outdoor elements with the Outdoor Research Emergency Bivy. A must-add for every outdoor adventure, this emergency bivy is usable in many ways and offers many years of dependable service.
    • SLEEPING BAG PROTECTION: Designed to protect your sleeping bag from outdoor elements, the helium emergency bivy comes with a cinch closure to seal everything. Its tube-like structure helps you use your 3-season sleeping bag in all 4-seasons without adding any bulk.
    • ULTRA-LIGHT & COMPRESSIBLE: Outdoor Research’s bivy is known for its compressible design which can be packed down to a size of a beer can. It is water-resistant to seal out the wetness; breathable so you can sleep peacefully; and ultra-lightweight to experience ease while carrying.
    • ADDITIONAL FEATURES: This backpacking gear has 36 inches top width, 36 inches foot width, 84 inches length and measures 5.5 inches by 2.75 inches when packed into a stuff sack. It adds no extra bulk to your backpack and features a reflective logo.
    • OUTDOOR RESEARCH: We built a company from a feeling: the urge to get out. It's what drives us. Our tribe is devoted to exploring our outdoor passions and challenging ourselves in the mountains, water, and deserts of the planet we love so much.