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Last updated January 1st, 2020
Opting-in to Moosejaw Rewards:
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Bonus Rewards Promotions:
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The Black Diamond Twilight Bivy is a minimalist shelter for 4-season protection. Made with NanoShield, the water-resistant, breathable fabric weighs in at just around 10 ounces. A mesh panel at the entry allows for even more breathability. Double up with a tarp for backcountry adventures.
The Black Diamond Twilight Bivy is a minimalist shelter for 4-season protection. Made with NanoShield, the water-resistant, breathable fabric weighs in at just around 10 ounces. A mesh panel at the entry allows for even more breathability. Double up with a tarp for backcountry adventures.
FEATURES of the Black Diamond Twilight Bivy
Frameless construction to minimize weight
Year-round performance
High tenacity 30D poly fabric improves strength and doesn't stretch when wet
Fully taped seams
Complies to FR regulation CPAI-84
Product Specifications
Features:
Water-resistant
Weight:
10.7 oz
Packed Dimensions:
3 x 5 in.
Floor Area:
18.75 Square Feet
Floor Dimensions:
82 x 33 in.
Disclaimer:
We only ship this brand to US Addresses.
Best Use:
Hiking, Camping
Sleep Capacity:
1
Seasons:
4-Season
Number of Doors:
1
Product Reviews
Rated 5 out of
5 by
Toni L. from
Morning joyI have some old mammut and Bibler Bivy. Mammut does not breathe, and Bibler is bulky and heavy (Both are over 20 years old) I was skeptical if this breathes, and i would wake up soaked, but no! I woke up with minimal moisture in the bivy! It is also well-dimensioned, I am short but bulky and I had a comfy night with my manly and formidable shoulders and beer soked dad bod! Nice to come to this millennia!!
Date published: 2023-05-07
Rated 5 out of
5 by
AKev from
Great bivy.This is my second Black Diamond bivy. The Twilight bivy is very light weight and packs down very small. I haven’t used it without a tarp but the fabric is very water resistant. The bivy is breathable and condensation was not an issue for me. The bivy is not as roomy as my other bivy sacks but I use my sleeping pad outside of the bivy to maximize room. This will be the bivy that I use for most trips and I look forward to using it through the seasons.
Date published: 2023-05-04
Rated 5 out of
5 by
Kelvin from
Not an emergency bivySome of these negative ratings seem to be confused about the purpose of this bivy. There are plastic bag bivys that are lighter and more reflective of heat and those work great for emergency use. This bivy is if you’re looking to save weight and not pack a tent knowing the weather forecast looks dry. It’s more of a tent substitute.
I’m a bit taller than 6’1” and I still fit fine unlike another reviewer that said you had to be 5’8” or shorter. With a pad and a bag inside it will be somewhat tight but you still have a decent amount of space. If you get claustrophobic this won’t work for you as there is nothing structural holding the material up. I used a stick to keep the bivy off my face but there is a mesh area and if you breathe into the mesh you will mostly avoid condensation issues.
Set your expectations correctly and you won’t be disappointed.
Date published: 2023-04-27
Rated 5 out of
5 by
Crazylarr from
Great buyGreat for AZ cold wet weather and dry night. Used it several times I scotch guard the whole bivi, helps with different ground temps and moisture inside under your sleeping pad and bag. Light rain and cold mornings no problem.
Date published: 2023-03-28
Rated 1 out of
5 by
Gabe from
WorthlessA bivy is supposed to be able to save your life by keeping you dry. This bivy is not water resistant. Water goes right through it. I was on a thru hike and got caught in a rain storm. My sleeping bag and I both got soaked.
I spent the night freezing in the rain wondering if I was going to die of hypothermia.
Date published: 2022-12-02
Rated 3 out of
5 by
Eric L from
Small, tight footboxFirst the good bits: it's warm (probably adds ~10°F to a sleeping system) and semi-breathable. It should be fairly drip resistant, but I wouldn't trust it alone in a downpour. The floor seams are taped (and the floor feels quite durable; should prevent most punctures to a sleeping pad). The dual-pull zipper for the hood is very nicely engineered. Now, the bad: if you're taller than 5'8", and plan to use this with a sleeping pad (e.g. as part of a quilt system), you'll find it to be too small! For shorter people, a mummy sleeping pad that's <2" thick is probably going to work. As I'm 6' tall, even with a thin klymit pad, I think it's tight in the footbox; with a Big Agnes, it crushes my feet, and it's impossible to side sleep. I plan to enlarge it by about 6" in height; the side/top seams are done in such a way this should be an easy modification.
Date published: 2022-07-17
Rated 5 out of
5 by
Loren C from
This sack is excellent for adding warmth to a sleeping bag inside a tent or as a stand alone shelter. I keep one in my disaster kit, in case of an unexpected opportunity to sleep in the wilderness.
Date published: 2022-07-17
Rated 4 out of
5 by
Sarah N. from
Packs small, waterproof, not very breathableTitle says it all. First are the cons: Sleeping bag was soaked every morning. I would have liked a vertical zipper so I could sit up and adjust my bag without being in the bivy which makes it hard to move around. I had my sleeping pad inside the bivy which made it stiff and hard to sit up at all. Pros!!: However it is great as far as simplicity and super light and small to pack! This is my first bivy..