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  • No-see-um netting won't let the obnoxious little buggers through, and the overhead pole keeps them from getting too close to your head
  • Single overhead shockcorded Delrin® pole keeps bivy up and off of face when sack is closed
  • Long-zip end opening allows rapid entry so you can minimize the number of micro guests
  • Sleeping pad straps keep your sleeping pad secure
  • Small mesh pockets holds nighttime essentials
  • Includes Delrin pole and stuff sacks
  • Shoulder girth is 50 in.


View all Outdoor Research Bivy Sacks

REI membership


Best Use Backpacking
Seasons 2-season
Sleeping Capacity 1-person
Weight 1 pound
Packed Size 4 x 14 inches
Bivy Length 89 inches
Shoulder Width 25 inches
Rated 5 out of 5 by from Well Designed I would like to comment on the pole design, in reply to the criticism in an previous review. The pole "slides inside" a tape tube and has a 4" velcro flap closure on the insertion end. There is no way, even in extreme winds that the pole will free itself. In fact it takes a minute to extract the pole from it's home. There is also three loops around the base (which I never bother to use) to stake out the bivy. There is two loops to string up the mesh instead/aswell as using the pole (one at feet one at head). This is good if you are sleeping in the tropics only your underwear, as mosquito bite through mesh that is touching your skin.
Date published: 2010-02-18
Rated 5 out of 5 by from No Bugs No Pain This does exactly what it says it will do. It keeps the bugs off. It does not claim to be spacious, warm or weather proof. You can not find lighter more compact packing bug protection. I use it in hot Arizona riparian areas that attract every bug from miles around. The solid bottom and mesh top keeps the mosquitos, kissing bugs (cone nosed beetles), scorpions, etc at bay. One night I watched a scorpion crawl on the OUTSIDE of the netting between me and a full moon rising over the canyon rim of West Clear Creek. It was fun to see the silhouette against the moon and know I did not have anything to worry about! I recommend the OR Bug Bivy to all my backpacking friends.
Date published: 2009-03-28
Rated 4 out of 5 by from Decent product I have been using this for about 3 months homeless. The netting will tear regularly but is easy to stitch up with dental floss or fishing line. Be careful not to unzip it all the way as the zipper slides right off and is a pain to get back on. Sleep with your sleeping pad underneath it, as the bottom WILL allow water to seep through and wear out if set on the bare ground. As someone else mentioned mosquitos will bite through it if your bare skin is touching the net. All around this is a decent product and a much better choice than a hanging bug net. On one of the nights I didn't use this I had to go to the ER because a spider had crawled into my ear. This product serves as a more versatile alternative to ear plugs.
Date published: 2011-10-07
Rated 4 out of 5 by from Great bivy for Scout camping Purchased this bivy for my son who was headed out to Boy Scout Camp. It is very easy to set up and has enough room to be comfortable. He placed his seeping pad, bag, and pillow inside. This camp had spiders and scorpions everywhere. This unit was a must in order for him to get any sleep. It kept everything out without exception. You do have to tie it off to make sure it stands properly, but that was not an issue. Make sure to take some rope and stakes . My son used this is his open tent and on top of a cot. Great product!!!
Date published: 2013-08-01
Rated 5 out of 5 by from This is awesome This bivy works awesome. I also have the alpine shelter which is top notch. Others are complaining about how it needs the feet part to not be touching your feet and are correct. But for about 34 cents I solved that. I put a binder clip on the feet part and attach some paracord to it and to a tree/pole/bag/anything that is higher than 20 in. It lifts the net up off of me. It's not complicated.
Date published: 2015-04-01
Rated 5 out of 5 by from Used often Grand Canyon backpack trips I sewed a full length, two way top zipper off center on the mesh and this greatly simplifies entry/exit.
Date published: 2012-11-18
Rated 4 out of 5 by from Decent product, with a few buts... Have not used on trail yet, just in living room. Here are my impressions: It should come in a Long version. I am 6'2, and though I do fit, my feet are at the end. An extra few inches at the end would be appreciated for over 6 foot. But! This is not a major downer, as it is functional, just not as roomy as one would hope. The plastic pole is not great. It is flimsy, and does not have a round end to aid in insertion. So, it snags on the way to the other end, which consumes time in trying to insert it. Recommend replacing with a nice aluminum pole. Seams are not sealed (as far as I could tell), and are not of a bathtub design. So, it will keep ground condensation, and small amounts of moister from penetrating, but don't expect it to keep you dry if rain water comes anywhere above ground saturation. Although it is tight (it is a bivy) the net does stretch considerable amount, so getting out of a sleeping bag is not a problem, as your netting will give for your knees, head, et cetera. The pole does keep the net off your head and chest, as in your bag is half open; but it will drape your knees, legs and feet, so bugs can still bite, so staying under a bag, I recommend. There is enough room at the head for small items, book, light, water bottle, knife, gun... pillow. Overall, it is what I was looking for. I am pleased with my purchase, the price was great. One with skill could make something similar, but would come close to its price in materials. I think it will do the trick. Mods/Suggestions. Replace with a higher quality zipper. Extend for Long version by a few inches. Possibility for a second, smaller tube for feet (better protection). Top zipper, from top pole to middle of bag (easily done oneself with needle and thread). Pair with a tarp, ground cloth (all weather SPACE blanket), and your set. Hope this helps. This is a good purchase, just be aware of it's flaws and you'll be good to go. Mike
Date published: 2013-04-08
Rated 1 out of 5 by from Didn't think it through It arrived today, and it's going back tomorrow. This would only be a useful bug/mosquito net in a mild/cool temperature. If the weather is hot and you're sleeping on top of your sleeping bag (ie: to air out your feet) then the net will rest on your bare skin and you will get bitten. Meanwhile, if the weather is cool enough to sleep in the bag, then the net will do it's job. However, in that situation there are mostly likely no bugs out to bite you. If they had a second frame pole near the feet it might work. But as other reviewers have pointed it the overall construction feels flimsy and gives the impression any moisture on the ground would come through to your sleeping bag. All of this for $79?!? Not worth it. I'm going to get the Mombasa outback travel net for $14 instead. I can't realistically picture where this would be better than some of the other similar (and cheaper) options here on REI. At least the Bug Hut 1 Pro Shelter has two poles that keep the net a little higher and might keep the bugs off your feet.
Date published: 2013-12-04
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