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Black Diamond Twilight Bivy

Black Diamond Twilight Bivy

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  • Returnable
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Product details

Made for the ultra-minimalist or just-in-case emergency shelter at any time of year, the Black Diamond Twilight Bivy sack has a frameless construction that packs down incredibly small. It’s made from extremely breathable and water-resistant NanoShield™ fabric and accessed via a zippered entry across the shoulders, making it easy to get into and stay in while sitting up.

Key Features:

  • Frameless Construction – The weight of this bivy, which is about 6.5-feet long and just over 2.5-feet wide, is kept at an absolute minimum without the use of any poles.

  • NanoShield Single-Wall Fabric – Highly-breathable NanoShield withstands water penetration better than any other breathable single-layer, single-wall fabric.

  • Four-Season Use – This bivy is designed to handle all types of weather year-round.

Packaged weight
Age Group
Minimum trail weight
Number of doors
1 door
4 season
1 Person
Tent capacity
1 person
Use case
Mountaineering, Backpacking
Black Diamond Twilight Bivy
Recommended by outdoors experts

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Top reviews
Would an expert recommend this for you?
Amy B
Amy B
Verified camping & hiking expert
Reviewed Jul 13, 2022

This bivy has a frameless construction to minimize weight and packs down to 3 x 5 inches. Nanoshield fabric is durable, breathable, and has the highest water column rating of any other similar fabric. A waterproof finish enhances fabric performance.

Taylor Nelson
Taylor Nelson
Verified camping & hiking expert
Reviewed Jul 13, 2022

Warmth and staying dry during the winter. Lightweight and compact in your pack so you have room for other gear.