Q&A for Black Diamond Twilight Bivy Sack — 2 Questions & 1 Answers

Name Black Diamond Twilight Bivy Sack
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Subylondon, guest, from UT, United States, asked on June 07, 2012

how waterproof is it? can it be used without a shelter? is this, or any other bivvy, both lightweight and extremely waterproof?

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A
Answered by Leroy, Gear Expert, from UT, United States, on June 08, 2012

The Twilight Bivy is made with water-resistant and breathable NanoShield fabric. Black Diamond suggests that you use seam sealer on the bivy to make it completely waterproof.
As far any other lightweight and extremely waterproof bivy's, I would suggest the Alpine Bivy from Outdoor Research. You can find it on our site here:
http://www.campsaver.com/alpine-bivy

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Phil..., guest, from FL, United States, asked on January 07, 2016

how much of a problem is condensation...

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Last updated 2025-11-12 UTC.