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Gear Review
Not Breathable
By Darren
Ranked #488 - Sleeping Bags
June 15, 2009
This bivy would get a 5 if the top material were something, anything that is breathable. The dimensions, quality, and overall design of this bivy are great. However, the entire bivy is made of sil-nylon, which is fine for the floor, but not the whole thing. Used it on a weekend and my bag was totally soaked inside the bivy each morning. I guess the same guy that designed the HyperFlow designed this? I thought I would give it a try anyway, but had to send it back. If they would change the top material it would be a winner.
View Details: MSR E-Bivy
Helpful Votes: 2 Yes
Tech Specs:
- Material:
- [fly] 30D x 246T ripstop nylon 66; [fly coating] silicone; [floor] 70D x 190T taffeta nylon; [floor coating] 10,000mm Durashield polyurethane
- Dimensions:
- 36 x 88 x 23 in
- Packed Size:
- 7 x 4 in
- Seams:
- fully taped
- Trail Weight:
- 9 oz
- Recommended Use:
- ultralight backpacking, emergency shelter
- Manufacturer Warranty:
- 3 years
Change me.




1 Comments Last Reply: July 2, 2010 By: Fernando Octavio Brendinberger
I see your review as a five star!! Since you say it doesn't breathe, to me that means it'll be great at keeping you warm AND help you stay hydrated. I would be tempted to use one as a sleeping bag liner and one as a sleeping bag cover. The first one would help keep me warm and hydrated and the second one would keep the outside of the sleeping bag dry.
Helpful Votes: 0 Yes