After setting up this Bivy in my living room, sliding in my pad and my winter bag, it was nearly impossible to get in the thing myself. I am 6'1", 200 pounds and need to be Houdini to get my head under the hooded beak. Lengthening the zipper 18 inches, or using a waterproof center zipper like the Bugaboo might help. I loved the quality in the construction and the roominess once inside, but disliked the claustrophobic feeling of the hood. You are completely cut off from the world around you on even when using the mesh only.

I wanted to fit a large (26" rectangular wide) pad into this bivy. It looked like it would fit from the pictures. The pictures do not give enough detail on the size of this item. It is about 13" wide at the head, 34" wide at the shoulders which is 32" from the head, and 19" wide at the foot which is 54" from the shoulders. You will not get a rectangular pad into this thing, but a long Big Agnes REM mummy pad does fit inside this. Great bivy, and I'm glad I bought it. Water proof, roomy. Packs small, weight about 3 pounds.

bibler tents are the business.
i bought the tripod bivy from them in 2002 and it is exactly the same as this model. why? because you don't mess with a good thing. sure, it is a little tight inside but you should know that going in. i am 5'11" and almost 200 pounds(of MUSCLE, alright??!) and i have no issues with this tent.
I've used it in snow, wind, heavy HEAVY rain and blazing sun and it comes through like a champ. if i have to come up with a complaint, when it is staked down really tight(for wind), the zippers can be a little tough to zip around the corners because of the tension.
this tent is worth every penny and then some.

So far I've only used it once in clear weather but I was happy with being able to get into it fairly easily w/ a 2" full length Thermarest under me and still
have room to maneuver inside (I'm 6'-4" and weigh 2-2 much). I didn't like the lack of pole sleeves but other people have probably set it up in 40-50+mph wind and got by so I can get used to it.This is my fourth bivy sack and I'm
looking forward to putting it thru the paces.

This thing isn't so much a bivy sack as it is as mini-micro tent. I really dig this bivy because I can't sleep with fabric or netting hanging in my face like you get with a regular "no-pole" bivy. This one gives you a tiny amount to move around or partially sit up, and keeps the bivy fabric up off you and your bag, which reduces condensation (more air flow through the sack). It certainly isn't roomy inside, but fits a 15 degree down bag with me (6'1" 160) in it without trouble. Fairly easy to set up once you get the hang of it, but you should probably try it in your living room before headed out to the mountains, which you will have to anyways, and why I gave this only four stars: A $300 bivy really should come taped / sealed from the factory, but this one doesn't. Be prepared to spend at least a couple of hours crouched over with a tube of seam grip, because you have to manually seal every last seam on this thing to make it truly waterproof. Other than that minor inconvenience, this really is a well thought out and executed product.

Disclaimer: My review is for the older Bibler model of this bivy sack, although I don't believe anything has changed other than the brand name.

I have used this for 3 years of 8 day on 6 day off for the trinity alps wilderness patrol. I have beat the crap out of it and it still works great! I stuff my bag and pad in the bivy and use my foot to shove it all down into my pack. this thing is tough as nails.

On mountain treks when low weight, compactness, ease of setup, warmth and sturdiness are important, the Tripod Bivy becomes a better choice than available solo tents. I am 5'10''. It feels bigger inside than it looks from the outside. Condensation is minimal. The design and quality have been thoroughly refined. In Japan, I am used to semi-reclining at home, so the geometry of the Tripod suits me. After years of battling with a heavier pack, the decision to go ultralight also includes a Granite Gear Virga. If you are interested in stealth camping, the Tripod has a low profile and a small footprint.

I dont know what other would say but this Bivy is much spacious then I believed. Fabric is some what strange feeling (almost like a paper) but it didnt take me too long before I changed my view. I've tested it one raining night in the garden (it was pouring down) but I've stayed dry. not a drop on me. I am looking forward to using this Bivy at higher altitude very soon.
only down side is: it packs bigger then my 1 man tent!!!

I bought this bivy for winter use where minimal pack weight and dependability are needed. I am 5'11" and 190 lbs and am surprised at the spaciousness for a bivy. The headroom under the canopy is very adequate and when staked out it keeps weight off my sleeping bag all the way to my feet. It sets up quickly, is meant as a bombproof sleeping shelter and is a better choice for me than a one man tent.

ive loved this shelter , form the very first time i ever used it, I was at an out door goa l music festival drank form the wrong water bottle and wound up way out in the woods in more ways than one if you catch my drift its was sun rise and the rain was starting and in a bearly lucid state I got this thing pitched that was its maiden voyage since then ive pitched this thing everywhaere from overgrown lots in atlanta to mountians and snow fields all over the us its been bomb proof ive been in 80 mph winds
I like the fact that it really hides well
cant recomend this enough
scott flues

I love my Bibler Bivy sack! It fits nicely on my backpack which I strap to the sissy bar on my Harley. I used it recently in some very rainy conditions and was pleased that I stayed dry! The addition of poles and cords gives the feeling of a small tent rather than that of a traditional bivy.

This bivy rocks. It’s very lightweight, easy to get into and out of, so much headroom and space for upper body. I went out recently overnight, it rained and I was dry and warm as could be. My dog was in the head area with me and my boots and a few other odds and ends. The mesh screen is sheltered allowing you to look out, even if light rain is coming down. I love this bag.

Much, much better actually. No more claustrophobic steamy nights in a tube bivy. Like other Bibler tents, it is tough as nails, exceptionally water proof and made to the highest standard. I spent several nights in it in some of the worst thunderstorms the Unitah and Wasatch mountains had to dish out - hale, rain, and freezing night time temps, and it worked extremely well. The vestibule at the top gives you a glimpse of the outside, is perfect for keeping your boots dry, some water and snacks, and even allows reading with a headlamp.

I've only camped out once in this tent so far but it was 20F, and the bivy definitely helped to keep me warm.

THIS BIVY WORKED GREAT, I SET IT UP ON THE SNOW AT 11 THOUSAND FEET IT WAS COLD AND I GOT THE MOST SLEEP OUT OF EVERYONE. IF YOU WANT TO ONE UP YOUR FRIENDS, GET THIS BIVY.

The fabric is excellent... breaths well and completely waterproof. They say it is roomier than most bivy's, but it is still very cramped for my taste. I'm 5'10" and 155lbs...the length is fine, there is just little room for movement in the shoulders. Overall great quality, I guess bivys are not for me.