Waterproof sleeping bag liner?

[rootacres]

Waterproof sleeping bag bivy?

I kinda surprised how hard of a time I am having finding a liner to put my sleeping bag in. I really like this down bag I have and just need a waterproof liner to put it in for condensation/moisture protection when in use. What is everyone using out there?

 

[Kootenay Hunter]

So you're looking for a sleeping bag cover? or a liner to put inside your sleeping bag?

Most folks use a gore-tex like outer cover to protect against moisture, some of which are considered bivy covers.

Something like this? BREEZE DRY-TEC U.L. Sleeping Bag Cover | Montbell America

Silk liners are popular to add some more R value and keep the bag clean, but typically not waterproof.

 

[20DYNAMITE07]

I agree with Kootenay... It sounds like you're looking for a bivy bag of some sort.

There are tons of options when it comes to bivys. What sort of shelter do you use? If you're in a tent with a bathtub floor, or sleep off the ground in a cot, something minimalist would probably work great like the one REI makes. If you're a tarp guy and are on the dirt, you may want a heavier duty option like a surplus goretex bivy from the Military Sleep System. There are tons of options in between.

 

[rootacres]

So you're looking for a sleeping bag cover? or a liner to put inside your sleeping bag?

Most folks use a gore-tex like outer cover to protect against moisture, some of which are considered bivy covers.

Something like this? BREEZE DRY-TEC U.L. Sleeping Bag Cover | Montbell America

Silk liners are popular to add some more R value and keep the bag clean, but typically not waterproof.

Sorry, I guess I should try to use the correct terminology. . I am looking for a bivy type bag to put my sleeping bag in. Some of the bivys I had found before were more or less tent substitutes. I will still be using a tent. Just looking for something that will protect my down bag from condensation.

 

[AK Troutbum]

Titanium Goat
Borah Gear
Enlightened Equipment
Mountain Laurel Designs
Zpacks

To name a few.


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[20DYNAMITE07]

For some affordable options also check
Sierra Designs Backcountry Bivy
Outdoor Research Helium
2GoSystems Trifecta v3

 

[huntsman22]

Surplus mil bivies can be had for $30 bucks......

 

[sneaky]

Surplus mil bivies can be had for $30 bucks......

Yep, but they're a lot heavier. My EE long wide bivy weighs less than 7oz with seam sealer and stuff sack

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[chindits]

What condensation are you trying to protect yourself from inside a tent??

If it is condensation from the walls of the tent, then a bivy bag will work.

If you are trying to protect your bag from internal water vapor from your body that works it’s way through the sleeping bag insulation until the water vapor cools enough to condense, typically in cooler weather on the shell and colder weather in the actual insulation, then you are actually talking about a vapor barrier on the inside of your bag. This is a concept often ignored by the stove embracing cold weather hunter but accepted by the mountaineering community and certain military units where extended no stove cold bivouacs are a way of life.

 

[OregonInAlaska]

Titanium Goat
Borah Gear
Enlightened Equipment
Mountain Laurel Designs
Zpacks

To name a few.


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I have a TI goat and it’s awesome! I can put my pad inside.



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[MattB]

You might search bag liner. I bought one back in the day that was ~7 oz., same shape as a mummy bag.