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How to Sew a Sleeping Bag Zip-In Liner

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I have a very cheap crummy 10$ sleeping bag, and I'm adding a fleece liner to make it more comfortable and increase it's functionality.

Because this bag is such a cheapo piece of junk, the materials used actually ended up costing more than the bag. However, if you are an avid camper and maybe have several really nice bags, then this zip-in liner system can be interchangeable, and possibly extend the life of your higher-end sleeping bag. Its all about better living through doing-it-yourself.

The Liner is designed to zip directly into the edges of the sleeping bag, allowing you to use the installed sleeping bag zipper to vent the bottom if your feet need some air. The liner will also still allow you to zip together 2 identical sleeping bags to make one big one, if needed. The liner can also be removed entirely, and zipped up on its side just like an actual sleeping bag.The other advantage to having a sleeping bag liner is that it can be removed and washed, which keeps the bag itself cleaner.

This instructable is made for a standard adult rectangle bag, but it will probably work with a mummy bag as well, with some modifications.
The sleeping bag used here is Purple on the outside, and yellow on its Inside as a reference.

First, Gather Materials:

1 regular adult rectangle sleeping bag
2 open-end separating zippers, 100-inch length each, preferably with dual pullers.
2.5 to 3 yards of polyester fleece, available from a fabric store
Sewing Thread

 
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putty1cat9 months ago
Good idea, love the fabric. I have done something similar but used heavy duty Velcro patches instead of zippers.
I don't think the fabric is hideous. I think it's awesome, kind of 70's ish. Awesome idea BTW.
redart3k (author)  ceearedubbleyew9 months ago
Well, maybe not. But I still would not look at it after 2 drinks.
Thanks for your feedback!
I don't think the fabric is hideous. I think it's awesome, kind of 70's ish. Awesome idea BTW.
wazzup1059 months ago
hey I was thinking about a sleeping-bag related issue myself.. Your suggestion to make it zip-in-able (is that a word ?) might well be my solution.
Kiteman9 months ago
Cool* project. I don't see anything wrong with the pattern...



*Or do I mean "warm"?
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