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Stretchable Sleeping Bag Liner
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Topic Name: Stretchable Sleeping Bag Liner
on: October 06, 2012, 08:29:33 PM
gpshay
Posts: 4
Stretchable Sleeping Bag Liner
«
on:
October 06, 2012, 08:29:33 PM »
I am going to purchase a Super Spiral Montbell sleeping bag .. I was wondering if anyone has made a stretchable bag liner .. most of the ones i have found are cotton or silk I ran across one liner that claimed to have some stretch but I don't believe it will match the stretch of the Montbell Bag .. any ideas on fabric .. I'll try and take up sewing .. thanks Glenn in Phx.
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Topic Name: Stretchable Sleeping Bag Liner
Reply #1
on: November 07, 2012, 10:36:09 AM
KenSmithMT
Location: Missoula, MT
Posts: 34
Re: Stretchable Sleeping Bag Liner
«
Reply #1 on:
November 07, 2012, 10:36:09 AM »
My son uses a Cocoon CoolMax bag liner. More stretch than silk or cotton, not as light as silk. 11oz. :-( Not as much stretch as the Super Spiral though. I have a No.5 and am looking for the same thing. Will probably use his if I can't find something better.
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Topic Name: Stretchable Sleeping Bag Liner
Reply #2
on: November 07, 2012, 11:17:36 AM
gpshay
Posts: 4
Re: Stretchable Sleeping Bag Liner
«
Reply #2 on:
November 07, 2012, 11:17:36 AM »
Ken I contacted these folks and they sent me lots of sample fabrics some of which i think would be a good choice with lots of stretch ...
https://www.fabricline.com/searchResults.php?a=1&CATDDM=LY&CATTYPEDDM=&COLORDDM=
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Topic Name: Stretchable Sleeping Bag Liner
Reply #3
on: November 12, 2012, 03:39:56 PM
juanesunpescado
Posts: 38
Re: Stretchable Sleeping Bag Liner
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Reply #3 on:
November 12, 2012, 03:39:56 PM »
The most common way of attaining stretch in a fabric is by using a fiber capable of stretching, such as lycra spandex (tm). there are three main problems with this solution:
1) spandex fibers are highly hydrophilic. water retention and dry time increase markedly with an increase in spandex. In short, if you or your liner becomes wet, it will take longer to dry. I personally have found that lycra in excess of 4% is not good for anything you are going to have to dry with your body heat.
2) lycra is actually pretty dense and can add significant weight in a thin fabric.
3) lycra is a product of the Invista corporation which is owned by the Koch brothers and so part of your investment in their product will be passed on to their political causes. Which if you are somewhere left of Ayn Rand, you might choose not to support.
Silk makes for a great liner, and instead of stretchy fabric, just make it larger. It is pretty easy to sew, just don't forget to hem the raw edges so they do not fray with time.
-tj
«
Last Edit: November 12, 2012, 04:15:55 PM by juanesunpescado
»
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