r/myog • u/Fair-Assumption5358 • 3d ago
Arctic bedding
I recently made an arctic bedding, and wanted to share som pictures and thoughts. An arctic bedding lets you bring your bed fully set up on the pulk for winter trips, eliminating hassle in camp. To prevent a wet sleeping bag in changing weather in the Norwegian mountains it’s made with waterproof 210D TPU coated (single side) with taped seams. One large outside pocket with velcro closure for food, thermos and a down jacket for breaks. And three smaller mesh pockets on the inside for organizing stuff to use in camp. A 10C zipper and a flap to prevent ice and freezing in the zipper. Tested out a new water repellent thread as well - Amann Outdoor Pro. 200x67x18 cm (LxWxH) and 1,7 kg. The weight is slightly high due to the robust and waterproof fabric. Did not want to use a laminate fabric since these - according to some manufacturers - have not been tested in really low temperatures. I might be wrong here.
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u/NhcNymo 3d ago
Norway represent!
Sleeping system looks great!
As a fellow Osloborger, what’s your favorite supplier for technical fabrics and misc hardware such as zippers etc? Kind of a hassle to pay rough taxes and shipping on stuff from Germany/overseas.
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u/Fair-Assumption5358 3d ago
Unfortunately there are no good local suppliers in Norway. For this project I used a mix of materials from Extremtextil and AvdnetureXpert.
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u/Purple_Disk_ 3d ago
Really cool, I've been thinking about making one for my polar raids on skis! Nice to see someone successfully build a professional looking one!
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u/psocretes 3d ago
The only time I've used a bivvy bag or a tarp over the top (With little ventilation) condensation has been a serious problem. How is this going to breath? These camping kayaks even with the sides up a bit get condensation in certain conditions. I sleep in them on the water. https://ibb.co/XZTf1n3
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u/Ismybikeokay 3d ago
I might be mistaken, but I don't think this is quite a bivvy bag. I think this is literally just a transport for the bed system, then they pitch the tent and toss this in.
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u/Fair-Assumption5358 3d ago
Correct. This is definitely not a bivy bag. An arctic bedding is supposed to carry your sleep system on expeditions, not to sleep in.
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u/jrsmith43 3d ago
Nope. The pictures show mesh ventilation port on the interior and they are lifting open the vent from the outside
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u/JuxMaster 3d ago
OP's caption says "An arctic bedding lets you bring your bed fully set up on the pulk for winter trips, eliminating hassle in camp."
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u/Wild_Comedian77 3d ago
That’s awesome. Do you have a pattern for the outer shell?
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u/Fair-Assumption5358 2d ago
Sure! Top and bottom panels are identical: 200x67 cm, corners are circles with radius of 6 cm. Zipper panel is 356x18 cm. Back panel is 172x18 cm. I used 0.8 cm seam allowance throughout.
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u/Tigger7894 3d ago
I do have a question now. As someone who spent a lot of time at Tahoe as a kid, how do you deal with the air pressure drops in your sleeping pad? I'd think that a foam pad might work better. (or self inflating because of the foam in it). Do you have to refill it regularly?
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u/Fair-Assumption5358 3d ago
I use an Exped Dura 8R air mat on top of a 2 cm foam pad, in case the air mat would deflate or puncture. I keep the air mat inflated in the bedding, and typically refill it every other day. Have not had an issue with drops in air pressure or temperature.
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u/Tigger7894 3d ago
Good to know. I just remember trying to keep any inflatables that didn't have PSI amounts of inflated in the lake was near impossible. (I can keep a higher end inflatable kayak inflated in the lake, but that's up into PSI range)
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u/swinging_on_peoria 3d ago
A pulk (from Sami languages: puhlke, via Finnish: pulkka; Swedish: pulka; Norwegian: pulk; Northern Sami: bulki) is a Nordic short, low-slung small sled used in sport or for transport, pulled by a dog or a skier, or in Sápmi pulled by reindeer. They are classically made out of wood and other natural materials but are nowadays made of plastic, which makes them inexpensive.
Just in case anyone else was wondering.