Bivy material

snowplow

WKR
Joined
Sep 25, 2016
Messages
693
Location
Washington
Hey guys, I have another bivy question. I have a Borah snowyside currently, it's 14 oz and is eVent fabric. I have never got wet in it and it doesn't make me sweat, so it must breathe as well as they say. But I'm considering going to a Borah ultralight which is 5.5 ounces and considerably lighter. It has the mesh face area so you couldn't lay in the rain with it like the snowy side. Considering I always use the bivy in conjunction with a tarp would I be giving up anything by getting rid of my snowyside and picking up that ultralight? I'm having trouble finding any reasons why I shouldn't do just that.

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Voyageur

WKR
Joined
Feb 12, 2020
Messages
1,016
Hey guys, I have another bivy question. I have a Borah snowyside currently, it's 14 oz and is eVent fabric. I have never got wet in it and it doesn't make me sweat, so it must breathe as well as they say. But I'm considering going to a Borah ultralight which is 5.5 ounces and considerably lighter. It has the mesh face area so you couldn't lay in the rain with it like the snowy side. Considering I always use the bivy in conjunction with a tarp would I be giving up anything by getting rid of my snowyside and picking up that ultralight? I'm having trouble finding any reasons why I shouldn't do just that.

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Did you ever get any PM feedback on this?
 
Joined
Dec 26, 2013
Messages
3,767
Location
Edmond, OK
I’ve been using a BG SnowySide eVent bivy (13oz for mine, oversized and a custom center zip) for a few seasons now and have zero complaints. I never use mine as a stand alone bivy either and just received one in Argon 90 to reduce some pack weight. Similar customizations make the weight 8oz on my scale. Can’t say whether it’s worth the $100 to save 5 oz but no issues with the quality or negative expectations of the bivy. Should be just as great but a few ounces lighter.

I think the only thing you’re “giving up“ is the option or ability to run the bivy stand alone from a tarp.
 

mtwarden

Super Moderator
Staff member
Joined
Oct 18, 2016
Messages
9,590
Location
Montana
I own two bivies, one waterproof (eVent), the other lighter, but water resistant- not waterproof

I use them for different jobs. If it’s a super bare bones bivy hunt I take the eVent bivy and nothing else. I also use eVent bivy in the winter for use in snow shelters.

The other one is used in conjunction with a tarp or tarp tent.

I like them both, but they accomplish different jobs.

Mine are from MLD, but they are comparable to the Borah bivies
 

Poser

WKR
Joined
Dec 27, 2013
Messages
5,033
Location
Durango CO
Same as MTWarden, I have 2 MLD Bivies, a waterproof e-vent version and an extremely light (5oz) water resistant one with a CF floor and silnylon top. If you are using a tarp, you probably don’t need a full waterproof version.
 
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