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Sleeping Bag Liners

Old 12-28-15, 10:04 AM
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Sleeping Bag Liners

Do you use Sleeping Bag Liners on your Bike Touring Trips???
What type of Sleeping bag liners do you use and Do you like using a Sleeping Bag liners in your Sleeping bags and Why do you use a Sleeping bag liners???


I am using Big Agnes Encampment 15 degs Sleeping Bag (Fall/Winter) and Big Agnes Gunn Creek 30 degs Sleeping Bag (Spring/Summer) and on 8/2012 I got the Kelty lightweight Fleece mummy Sleeping bag liner and I use it from 12-2012 to 3-2013 and I Slept in it for
1 night and I did not like it!!!... and then I was Sleep on Top of it at night and it is not easy to hook on the loops inside my Big Agnes Sleeping Bags!!!... and I was thinking of Getting the Big Agnes Sleeping bag liner but it is $89.99

P.S. I Sleep in Terramar EC2 Military Expedition weight Top & Pants

Last edited by Biketouringhobo; 12-28-15 at 10:40 AM. Reason: new words
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Old 12-28-15, 10:07 AM
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Vapor barrier liners Keep your sweat in when it's Below Zero F.


Patagonia silk weight tops and bottoms are good as PJ's.

Last edited by fietsbob; 12-28-15 at 10:12 AM.
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Old 12-28-15, 10:30 AM
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I'm with Bob --> IF you really feel you need something between you and your bag, get some silk top&bottoms that can also be a clothing layer.
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Old 12-28-15, 10:37 AM
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Originally Posted by BigAura
I'm with Bob --> IF you really feel you need something between you and your bag, get some silk top&bottoms that can also be a clothing layer.
I use the Terramar EC2 Military Expedition weight pants and top (Long johns)
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Old 12-28-15, 10:40 AM
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I use a Coolmax sleeping bag liner. I find that it's great for keeping my down bag clean, as well as those nights when it's too warm to be completely enclosed by the bag, but too cool to keep the zipper open much. Plus, they work great as a simple sheet to sleep under on the really warm nights.
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Old 12-28-15, 10:52 AM
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I've never really felt the need. They don't really add much warmth, they add considerable weight (depending on what model you use) and don't really provide any real advantage.

There are some reasons-if for some reason you don't like the feel of your sleeping bag, (or for the quilt users out there), it can give a bit of protection.

I guess it does keep the bag slightly cleaner, but having used a sleeping bag for four months continually, and accumulation of body oils (or whatever the given reason is) was never really a problem.
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Old 12-28-15, 10:55 AM
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If I'm using a sleeping bag with a nylon inner surface then either very thin pajamas or a very thin fabric liner can reduce that clammy/sticky feeling. I've never bought a sleeping bag liner. I simply made one from a thin cotton sheet. I just slip it into the sleeping bag and don't try to fasten it to the interior of the bag.

A sleeping bag liner also helps a lot to keep the sleeping bag itself clean on the inside.

Having pajamas like others suggest can also give you that extra layer of clothing if you need it.

I like to have as much of my stuff do double duty as i can.

Cheers
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Old 12-28-15, 10:57 AM
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Question for you that do use a liner, do you feel it lowers the rating of your bag by 10 degrees, i.e. takes a +40 deg F. to a +30 deg F ? I've heard mixed reviews as to whether there really is any insulative value with thin liners. Thanks.
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Old 12-28-15, 11:14 AM
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Originally Posted by robow
Question for you that do use a liner, do you feel it lowers the rating of your bag by 10 degrees, i.e. takes a +40 deg F. to a +30 deg F ? I've heard mixed reviews as to whether there really is any insulative value with thin liners. Thanks.
I don't use sleeping bag liners anymore!
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Old 12-28-15, 11:16 AM
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Originally Posted by Biketouringhobo
I don't use sleeping bag liners anymore!
ummm....then what's the point of starting a thread about
sleeping pad liners?
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Old 12-28-15, 11:53 AM
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https://www.amazon.com/TETON-Sports-S.../dp/B00R5WR644

$19 and weigs 12oz. We have a couple of them. I like it since my bag is a very thin 42deg bag which is only possible if I am fully dressed in winter gear and sleeping in it at 42deg. Point being, it is another layer, albeit a thin one. Its great to use in hot weather too, just use that instead of the bag if I get too hot during the night.

We have a few Coleman fleece insert/bags too and those are bulkier and weigh probably 1.5pounds. They for sure make the bag warmer, but they trap moisture too. These can be used as a standalone sleeping bag when its warmer.


I bring the Teton liner with since I think it helps if the temp is going to be around 50deg or lower and above 70.
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Old 12-28-15, 11:59 AM
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I have a sea to summit silk liner(I think ) and it's supposed to add up to 10 degrees. Maybe it adds ten degrees when it's 80 out. It doesn't seem to help at all when its cold out. I also tend to get tangled up in it and don't use it.
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Old 12-28-15, 12:27 PM
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Sleeping Bag Liners

Originally Posted by saddlesores
ummm....then what's the point of starting a thread about
sleeping pad liners?
I am not using my Kelty fleece mummy Sleeping bag liner anymore!

but I am looking to buy a Big Agnes Sleeping Bag Liner but I don't have $89.99 for a liner and by 11-2016 yes I will get the Big Agnes liner
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Old 12-28-15, 12:32 PM
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Originally Posted by fietsbob
Vapor barrier liners Keep your sweat in when it's Below Zero F.
Yes, a vapor barrier liner does add considerable warmth under cold conditions. I normally use a light down bag that's comfortable down to about freezing. By adding a very light vapor barrier liner to it I've been comfortable down to about 0F. It's not due to extra insulation but by reducing the heat lost through evaporation of perspiration during the night. It also has a side benefit of reducing water loss so I don't wake up thirsty in the morning.

I first discovered the benefit by accident on an unexpectedly cold night when I was still shivering in my usual bag. I remembered that I also had one of the emergency mylar blankets along so I wrapped myself in that inside the sleeping bag and it made a surprisingly large increase in my comfort that night. Later read about vapor barrier liners and eventually bought a nylon one (the mylar worked fine but is noisy whenever I moved around a bit).

I don't use any liner in above freezing conditions.
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Old 12-28-15, 12:56 PM
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Originally Posted by robow
Question for you that do use a liner, do you feel it lowers the rating of your bag by 10 degrees, i.e. takes a +40 deg F. to a +30 deg F ? I've heard mixed reviews as to whether there really is any insulative value with thin liners. Thanks.
Yes, IME. My 20 year old bag used to be a 20F bag, now it's good to about 40F without liner, 30F with liner.

Though, I'm not sure one more answer is going to nail this question down. Unless you think this random stranger on the internet has the definitive answer (which, of course is actually the case , reviews will still be mixed with one more vote for "yes."
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Old 12-28-15, 01:30 PM
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With you using your sleeping bag every night, you may benefit from a liner to keep the bag cleaner, and be able to add or subtract for warmer or colder days. It may add some comfort also like sheets do on a bed. Sounds like from your past threads based on where you shop you can buy it and return it if you don't like it. Please let us know how it works for you.
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Old 12-28-15, 01:56 PM
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Originally Posted by Biketouringhobo
I use the Terramar EC2 Military Expedition weight pants and top (Long johns)
Cool. Can the liner you don't need it. Unnecessary weight & bulk.
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Old 12-28-15, 02:11 PM
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Originally Posted by Biketouringhobo
I am not using my Kelty fleece mummy Sleeping bag liner anymore!

but I am looking to buy a Big Agnes Sleeping Bag Liner but I don't have $89.99 for a liner and by 11-2016 yes I will get the Big Agnes liner
I cant imagine spending $90 for a liner, but I also dont use equipment even 1/25th as often as you.
For what its worth- it costs $70 on their site. https://www.bigagnes.com/Products/De...Syntheticliner
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Old 12-28-15, 02:21 PM
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I use an old cotton twin top sheet, folded at the bottom to fit the bag. Works great! Could use a micro fibre one for winter use.
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Old 12-28-15, 02:30 PM
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Originally Posted by mstateglfr
I cant imagine spending $90 for a liner, but I also dont use equipment even 1/25th as often as you.
For what its worth- it costs $70 on their site. https://www.bigagnes.com/Products/De...Syntheticliner
$19.99?
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Old 12-28-15, 02:46 PM
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Originally Posted by fietsbob
This may be his only social outlet .
I Bloody have my 3 Expedition Bicycle Touring group on Facebook you Troll
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Old 12-28-15, 03:20 PM
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Originally Posted by fietsbob
Nobody you see in the flesh , all online? you did see my NAMI reference?
please stop trolling my Post you Troll AKA Fietsbob
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Old 12-28-15, 04:32 PM
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silk longies
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Old 12-28-15, 04:58 PM
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Originally Posted by pdlamb
Unless you think this random stranger on the internet has the definitive answer (which, of course is actually the case , reviews will still be mixed with one more vote for "yes."
Do you make use of a silk or synthetic liner or are there differences?
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Old 12-28-15, 08:37 PM
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Originally Posted by Biketouringhobo
....but I don't have $89.99 for a liner .
no, you don't. but you have mucho free time.

buy a thin, lightweight flat sheet from goodwill for $1.
i assume you have a sewing kit and scissors, if not.....dollar store.

measure, mark, measure again, correct marks, cut, sew.
doesn't have to exactly match the bag insides, doesn't have to be perfect.
take a couple hours in camp...........done.
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