Gear Review
BD Winter Bivy sack
By Teotwaki
Ranked #474 - Bivy Sacks
October 10, 2005
When I summited Denali, I had this lightweight gem in my pack. I also use it to extend the warmth of my 900-fill TNF 15-degree bag. Very versatile!
View Details: Black Diamond Winter Bivy Sack
Helpful Votes: 0 Yes
Tech Specs:
- Material:
- Polyester Ripstop fabric
- Seam sealed:
- No
- Number of doors:
- 1(if you call the slit in a bivy a door)
- Bathtub floor:
- No
- Ventilation:
- Mesh panel
- Number of poles:
- No
- Clip or sleeve:
- N/A
- Interior footage:
- 7.08 sq/ft
- Interior height:
- N/A
- Vestibule footage:
- None
- Packed size:
- Tiny! 3in. Diameter 3.5 in. length
- Packed weight:
- 9 oz (255g)
- Minimal weight:
- 9 oz (255g)
- Warranty:
- Limited
- Recommended use:
- Winter bag cover, emergency shelter, sleeping bag alternative
- Country of Origin:
- United States
Change me.



