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1/8/2012 2:29 PM
 

I got a very interesting email yesterday from Stuart Goring regarding a Norwegian invention called the jerven. I've gotten his permission to reprint the email, and he'll probably jump on here to answer questions. Here is what he wrote:

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Its best described as the potential illegitimate offspring of your mountain Serape and the issue poncho tarp / liner combination with some Norwegian DNA of its own.

It shares some design similarities with your Serape, (though both are unique designs) but has features which might inspire future generations of your own design.

The most noticeable feature of the jerven bag is the inclusion of a waterproof outer (with double zips on all four edges which mate together in any combination of sides) into which the quilt can be integrated via Velcro around its periphery, the inner and outer can be used standalone with outer as worn as a waterproof poncho or tarp with the quilt as a sleeping bag beneath for the night; or integrated as a waterproof insulated bivi bag (with arms and hood) or ¾ waterproof insulated jacket.

Photos of mine in use in Canada to explain:

 

(note for the image below and above, unlike a poncho there are no openings here except those in which my face and hands are protruding, the rest is zipped closed, allowing me to move around and change position without pumping out the warm air inside)
 

 


The tarp is silver on the inside with a unique (and deceptively versatile) camouflage on the outside, unlike many products today its tough, simple and ultra reliable, its build for the Norwegian mountains after all.

 

 

Some Americans may have already encountered it in Afghanistan where some specialised units of ours are using it, (shown here are a number zipped together to make a larger shelter):


 

The outer also has channels for tent poles to convert it into a tunnel tent if needed:

Here we are using it in reverse (silver side out) with poles to provide shelter from the sun in Botswana:

 


Even without poles it can be zipped into a little insulated winter pyramid tent (the front flap is open in the photo, but zips up to form the front wall):

 

The version I have shown in the images above is the ‘MultiMate model’ (best Norwegian translation) which is no longer available to the public.

Many years ago I wrote a review (back when I wrote for BushcraftUK) for the jerven bag when it was publicly available, which might provide further insights: https://jerven-com.secure.flexiweb.no/page/7366/

Another picture in use in Borneo

I hope this provides some inspiration, very impressed with your designs so far, it’s nice to see a company building some really practical gear for wilderness travel, keep up the good work.

All the best   
Stuart Goring


We are fortunate in this matter that your conduct will be your marker and, thus, your reputation. The conduct of others on this forum has been, and will continue to be, their marker, and thus, their reputation. In the west, a person invests in one's reputation carefully. - 112Papa
 
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1/8/2012 10:00 PM
 

This post if full of awesome.

 
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1/11/2012 2:19 PM
 

I like it!

 
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1/11/2012 5:36 PM
 

I can so see an HPG Jerven Light in Sil-Nylon. That pic with the hoop set up looks very cool.

 
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1/11/2012 6:00 PM
 

I'm pretty sure Stuart was trying to tease us into doing just that. I've always got to look at a design and play with it to see if I can improve it, but the Jerven looks good as is. We've got an Integral Design Sil Poncho on the way that I'm going to spend some time with. Might end up adding Jerven style zippers on all four sides to see what we think. Maybe something else will occur. Off the bat, the Jerven looks exactly square instead of rectangular. Makes me wonder what kind of pyramid style quick-shelter you can come up with based on appropriate application of zippers on a rectangle.


We are fortunate in this matter that your conduct will be your marker and, thus, your reputation. The conduct of others on this forum has been, and will continue to be, their marker, and thus, their reputation. In the west, a person invests in one's reputation carefully. - 112Papa
 
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1/11/2012 11:10 PM
 

 Very kewl and looks like a great project!

 
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1/12/2012 3:17 PM
 

it reminds me of the Outdoor Research Wallcreeper (waterproof tarp/sleeping bag/bivy/poncho/shooting blind/tent) - Retail Price $1000! ouch

would be nice to see HPG come up with something affordable to pair with the Mountain Serape

 
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1/12/2012 3:33 PM
 

That wallcreeper cover looks closest to what I've had in my mind for a while. They also have a sleeping bag sort of thing that goes with it that I've seen in person. This is the first I've seen of the poncho though. You updated your post with price before I did... yikes! It may be the greatest thing since sliced bread but for $1k I'll never know.

For those who haven't seen it, here is another option that Scot has been using for a while now. Very reasonably priced at $185:

http://www.hilleberg.com/home/products/bivanorak/bivanorak.php


We are fortunate in this matter that your conduct will be your marker and, thus, your reputation. The conduct of others on this forum has been, and will continue to be, their marker, and thus, their reputation. In the west, a person invests in one's reputation carefully. - 112Papa
 
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1/26/2012 6:50 PM
 

 Absolutely!  This was what I had in mind when I voted for (more than once if I must be honest...) for an "updated cagoule" on one of the surveys.  Perfect for a day hike emgergency bivy, bugout/get home/evasion scenario, etc.  Multicam silnylon, anyone?  See the orange text at http://wyominglostandfound.com/new.html  Could probably fit on the bottom of my Tarahumara

Thanks,

Doylage

 
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1/27/2012 12:41 PM
 

With the updated cagoule, I was really thinking more along the lines of a much more useful bivanorack than I was a modified poncho. However, for the same reasons that the Mountain Serape is more versatile than a greatcoat would be, I'm beginning to see that a modified poncho is more versatile than the bivanorack style. We'll see where all of that ends up.


We are fortunate in this matter that your conduct will be your marker and, thus, your reputation. The conduct of others on this forum has been, and will continue to be, their marker, and thus, their reputation. In the west, a person invests in one's reputation carefully. - 112Papa
 
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6/8/2012 11:13 AM
 

that jerven seems like a great piece of kit. how versatile - blanket, poncho/great coat (of sorts), tarp, tent, sleeping bag all in one. wow

the HPG serape looks awesome as it is, and i intend on purchasing one if a foliage model comes out. i love the ideal of a great coat, sleeping bag and blanket all in one. i guess a silnylon tarp would do the trick for providing rain protection with the serape, whereas the jerven does double duty for cold weather and warm weather. 

i would definitely be interested in a HPG 'silnylon/poncho/tarp/jerven' . count me in on one for Texas warm weather shelter and camping (if the bugs arent too bad or you havent had a smoke bath).  

 

 
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6/19/2012 9:14 AM
 

Based on my use of the Kifaru paratarp and my expierence using a poncho as a shelter and rain gear I have been thinking about a paratarp midified with a hood and snaps on all the edges. 

 
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3/22/2014 12:56 PM
 

 I use a Thermo Jerven Bag with the Mountain Serappe as my winter sleeping setup in the Alps.

 

This combination is just bombproof. It's my life insurance.

 

 

Have a look:

http://youtu.be/IUPnxiXxAd8

 

 
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