I just got back from using this at 10K feet on Mt. Rainier. It dipped below freezing with 50 mph wind guests and the bivy performed flawlessly. No condensation and very wind resistant. I was able to fit my boots, water, food, and extra clothing in with me. It provides just enough space to prevent claustrophobia and no more. My only complaint is that it could benefit from a little extra shoulder room (I'm only 5-8, 160lbs). Otherwise ideal for a foul weather bivy. I plan on bringing it often for climbs.

Love this bivy. Zero set up time (just unroll it and throw it on the ground) and great protection. The mesh bug screen is nice and the opening is a good size to get in and out of. I'm 5-9 and have no trouble with room in this guy. I can even throw my pack in at the top if my feet are all the way at the bottom. It definitely keeps you warm too. I've woken up with the outside covered in frost and had no moisture built up inside and stayed completely warm. Love this bivy and highly recommended to buddies.

In mid-September, I used my Black Diamond Bipod Bivy during a four day hike on Katahdin and around Baxter State Park in Maine. Needing to replace a worn out bivy, I bought it with the idea that it would serve several useful functions at a weight of only one pound thirteen ounces: it would keep me safe from mosquitoes, it would add to the warmth of my sleeping bag, and it would provide emergency shelter should I get stuck somewhere on the trail and have to spend the night away from the campgrounds where we had reserved lean-tos.

A frosty first night made the issue of mosquitoes moot, but I was pleasantly surprised at how warm I was during the night inside my sleeping bag and bivy sack. Soon after lying down I became too warm and had to remove first my fleece jacket and then my wool sweater to get comfortable for the night. I tucked them alongside me in my 20 degree down sleeping bag so they would be warm in the morning when I put them on again. I also tucked my water filter inside the bag because freezing might damage it.

I didn’t put up the bivy’s hoop as there were no bugs and I wanted to sleep with my face out in the air. My five foot ten inch and 145 pound frame found plenty of room inside the bag and there was lots of room for my jacket and sweater down one side of the bag and for storage on the floor of the bag above my head. I felt inside the bag in the morning and found no condensation.

I just took the Bipod Bivy along the South Cape Trail in deep south Tasmania. The bivy bag had to cope with strong winds, rain, hail and brilliant sunshine (all in the space of a few hours on occasions). The weather basically blows in straight from Antarctica but did not trouble my new bivy. It proved super light, watertight and very easy to set up. Well worth the money. One happy camper.

This is a nice alternative between the body bag type bivies and the downsized one-man tent types. If you are looking for a lighter bivy with a little head room then this is a good choice. Weighed in at 1lb.-12ozs. The material is very durable and the entry is much easier to get in and out of compared to the slide in hood type sacks.

I was impressed with this bivy. Seems to stand up well and provides good protection. It is a good compromise between weight and protection. Enough room to put your boots inside to keep them dry. Rolls up pretty small and sets up easily. To try it out I took a February night in upstate NY that it was going to snow. Set it up in my back yard with my Dark Star sleeping bag. Temperature was down around 5 deg F. I just set it down on the snow with my pad and sleeping bag inside, no ground cloth outside. I heard it snowing and even sleeting during the night. In the morning I noticed that the floor felt like it had slight condensation. The top part was dry to the touch. I was dry and so was my sleeping bag. I did notice after I pulled out my Thermarest that it had condensation on the side that I slept on from sweating. I think this is where the condensation came on the inside floor of the bivy. Came with seam sealer which I have not used yet. Did not come with any directions but the pole to set it up was easy to figure out. So far I am impressed.

I've had my bivy since Jan 05 and have used it pretty steady year-round guiding since then. It's roomy and very comfortable to fit anything I need to keep close. I'm small (5'2 130lbs) so can get fully dressed in snow gear in the bivy if needs be. Only thing is I wish I'd seam-sealed it right away. Since I did it after 3 years it pulled all the seam tape off and made a mess. But I'm still dry sleeping out in the rain or snow with rare waterproofing treatment.

This is the first bivy that I have owned and as expected the Bibler quality is there. Seam taped, light weight, absolute bomber construction. My only complaint is that the girth at the shoulders seems tight. I am 6.0 and 180lbs and there was binding when I rolled to sleep on my side. Maybe I am just not use to Bivys. All and all a good light weight yet livable protective sleeping solution.