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Black Diamond - Big Wall Bivy - Long

Black Diamond - Big Wall Bivy - Long

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Product details

An incredibly water-, wind-, and bug-resistant bivy sack that’s designed for climbers who sleep on exposed rock ledges, the Black Diamond Big Wall Hooped Bivy weighs about as much as a lightweight tent, yet is one of the most stormproof sacks on the market. In addition to a sewn-in flexible wire, a dual-sided zipper that opens in the middle, and a mesh-covered opening for adjustable breathing space, this bivy also has an integrated, waterproof tie-in point for secure anchoring.

Key Features:

  • Sewn-In Wire – A flexible wire creates airspace overhead while keeping the weight of the bivy relatively low at 30 ounces.

  • Dual-Sided Zipper and Mesh-Covered Opening – A mosquito and no-see-um net at the entrance keeps bugs out while the dual-sided zipper opens in the middle for easy in and out.

  • Secure Anchoring – An RF-welded tie-in point is waterproof and ensures the bivy stays put.

  • ToddTex Single-Wall Fabric – This bivy is constructed of waterproof, windproof, and breathable ToddTex with a polyurethane-laminated floor.

  • Taped Seams – The seamless construction of the double storm flap and rain gutter ensure bad weather stays out, while the rest of the seams are factory taped.

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Product specs
[Long] 2.2 m² (24 sq ft)
Average Packed Weight
[Long] 870 g, (1 lb 14 oz)
[Long] 251 x 89 cm (99 x 35 in)
1 Door
Floor Area
24 ft2 | 2.2 m2
Floor Dimensions
Regular: 90x35 in | 229x89 cm Long: 99x35 in | 251x89 cm
Minimum Weight
[Long] 740 g (1 lb 10 oz)
Number of Poles
Packaged Weight
2 lb 2 oz | 1 kg
Packed Size
[Long] 15 x 33 cm (6 x 13 in)
Pole Material
Bendable Wire
Season rating
4 season
Shelter Type
Tent capacity
1 person
Trail Weight
1 lb 14 oz | 0.9 kg
Vestibule Area
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Top reviews
Would an expert recommend this for you?
Amy B
Verified camping & hiking expert
Reviewed Mar 26, 2021

This 4 season bivy weighs just 1lb 14oz! It has a sewn in flexible wire to create additional space plus a dual sided zipper and mesh covered opening.