Black Diamond Twilight Bivy

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Keep your pack weight down and stay covered as you sleep in the Black Diamond Twilight bivy, an ultralight, minimalist 4-season design made from breathable, water-resistant NanoShield fabric.

  • Features

    • Frameless construction minimizes packing weight while providing coverage as an emergency shelter or sleeping bag cover in lieu of a tent
    • Proprietary NanoShield single-wall shell fabric offers ultralight, year-round performance with water-resistance and breathability to stay comfortable
    • Zippered entry across the shoulders lets you get in and out with ease; mesh panel allows you stay covered while sitting upright


    View all Black Diamond Bivy Sacks
  • Technical Specs

    Best Use




    Sleeping Capacity



    10 ounces

    Packed Size

    3 x 5 inches

    Bivy Length

    82 inches

    Shoulder Width

    33 inches



  • Reviews
    8 reviews with an average rating of 3.5 out of 5 stars

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