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Black Diamond
Hooped Bivy Sack

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The super light Black Diamond Hooped Bivy Sack is designed for climbers, bicyclists, and ultralight fanatics. The sewn-in flexible wire hoop keeps the top fabric vaulted above your face so that there are no poles to set up and no parts to lose. Todd-Tex waterproof breathable fabric provides protection from rain and snow while allowing the breathability necessary for a comfortable, moisture-free night. At just 26 ounces, this durable, storm-proof shelter also serves as an ideal insurance policy for an unplanned bivouac.


  • Freestanding single-wall bivy design saves weight by eliminating the need for a tent canopy, fly, and poles; ideal for four-season climbing and trekking applications
  • Waterproof breathable Todd-Tex fabric sheds wet weather and breathes exceptionally well to help reduce condensation
  • Taped seams prevent dripping water or morning dew from sneaking in through the fabric joints
  • Foot and head ends are "boxed" so they won't cramp your toes or compress your sleeping bag's loft
  • Sewn-in wire creates space above your head to improve airflow, decrease condensation, and limit claustrophobia
  • Dual-sized zip entry provides easy access
  • Mesh panel keeps out bugs and helps cut down on condensation buildup
  • Small size fits easily into a backpack, bike pack, or haul bag
  • Optional footprint sold separately
  • Based off original design from Bibler
  • Item #BLD0267
no, sewn-in support wire
mesh panel
Floor Dimensions
[regular] 90 x 35 in, [long] 99 x 35 in
Packed Size
6 x 19 in
Trail Weight
[regular] 1 lb 10 oz, [long] 1 lb 12 oz
Recommended Use
Manufacturer Warranty