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Help selecting a waterproof stuff sack for storing my down sleeping bag
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Dave .
(Ramapo) - F
Help selecting a waterproof stuff sack for storing my down sleeping bag on 03/29/2008 14:05:34 MDT Print View

Hello all,

I'm looking for a little advice on selecting a waterproof stuff sack for storing my down sleeping bag. I typically don't like storing my sleeping bags in their designated compression sack because (a) I eff on the side of conservativism where damaging the bag via over-compression is concerned and (b) I find that allowing my bag to expand in an oversized stuff sack and fill up the nooks and crannies at the bottom of my pack helps me to pack more comfortably.

I've just switched to a down bag for the first time though, and I think (?) I should make a move towards storing the bag in a waterproof stuff sack.

Do any of you have any suggestions?

I've been eyeing up the Sea To Summit eVac bags, the Outdoor Research Helium Dry Sacks, and the Outdoor Research Hydrolite Pack Stuff Sacks. But I'm not certain that the OR bags are actually waterproof or just waterproof-ish.

Are there other options I haven't listed?

I'd like to get one at REI while the 20% sale is happening.


Mark Verber
(verber) - MLife

Locale: San Francisco Bay Area
Re: Help selecting a waterproof stuff sack for storing my down sleeping bag on 03/29/2008 15:45:45 MDT Print View

The was a comparision of dry sacks which looked at a number of options.

I don't have a lot of experience. have tried the Sea to Summit ultra-sil, hydrolite stuff sacks, and the Outdoor Research Helium Dry Sacks. All have been effective on rainy backpacking trips when water resistant protection was adaquate. The helium dry sack has also be used on more water oriented outings like kayaking and done well and done fine. The ultra-sil failed a bathtub test so it has been relegated to uses where water resistant is good enough. The other approach is to use a pack liner such as sold by gossamer gear.

Edited by verber on 03/29/2008 16:06:29 MDT.

Mike W
(skopeo) - F

Locale: British Columbia
waterproof stuff sack... on 03/29/2008 16:39:08 MDT Print View


Edited by skopeo on 04/25/2015 20:58:52 MDT.

Max Hoagland
(maxhoagland) - F
Cool on 03/29/2008 16:49:51 MDT Print View

Thanks for the pictures of your scientific process.

Elliott Wolin
(ewolin) - MLife

Locale: Hampton Roads, Virginia
RE: Help selecting a waterproof stuff sack for storing my down sleeping bag" on 03/29/2008 18:00:56 MDT Print View

Why not make your own out of 1.3 oz silnylon plus some silicone sealer (hardware store variety is fine, thinning helps) and a bit of cord. Stuff sacks are the easiest thing in the world to make, as long as you can sew a straight line. Buy some silnylon (cosmetic seconds are fine), get scraps from a friend, whatever.

I like the RayWay design, with the long fabric tube at the mouth that can be wound up and folded back down. These are as waterproof as you can get in a UL stuff sack.

I also use a 2 mil polyethylene pack liner, just to be safe!

Martin Rye
(rye1966) - F

Locale: UK
selecting a waterproof stuff sack on 03/29/2008 18:20:41 MDT Print View

David I use Exped Dry bags and they work. I put my down bag in its own dry bag and all my gear then goes in a 65L dry bag all made by Exped. I live in the UK and it rains a lot and I have never had wet equipment.

Takatsugu Masuda
(hardcorehiker) - F

Locale: Tokyo
Granite Gear AirVent Reduction Dryblocs on 03/29/2008 22:13:49 MDT Print View

plan B.

size L, 25 Liters, 65 g (manufacturer's specification 56 g)

Western Mountaineering bag.

Edited by hardcorehiker on 03/29/2008 22:14:34 MDT.

Matthew Robinson
(mcjhrobinson) - F

Locale: Waaay West
re: waterproof stuff sack for sleeping bag on 03/30/2008 10:14:26 MDT Print View

if you like having your sleeping bag filling up space why not get a contractors trash bag (thick mil) with a rubber band and always have the hole pointed to the ground? maybe im just a cheap-o. only downside would be possible condensation. aloha!

Andrew :-)
(terra) - F

Locale: Sydney, Australia.
cheaper again... on 04/06/2008 20:33:01 MDT Print View

Two supermarket plastic bags.
Stuff sleeping bag, tie top.
Turn upside down, put in second bag, tie top.
Push into bottom of pack.

Pack is lined with another bigger plastic bag that everything goes inside of. Sleeping mat is wrapped around inside of pack perimeter as 'frame'.
Has worked so far.

Although if swimming rivers/creeks I would do something else.

Edited by terra on 04/06/2008 20:34:43 MDT.

Matthew Swierkowski
(Berserker) - F

Locale: Southeast
Trash Compactor Bag on 04/07/2008 11:33:23 MDT Print View

I 2nd the trash compactor bag idea. You can get a roll of 10 2-mil bags from Wal-Mart for less than $5. Cheap, tough and waterproof. And best of all if you ruin 1 you have 9 more.

Ken T.
(kthompson) - MLife

Locale: All up in there
"Help selecting a waterproof stuff sack for storing my down sleeping bag" on 04/07/2008 12:54:57 MDT Print View

Third on compactor bags. I've been on the same box of thirty of these for years. Cheap, durable, waterproof.

Casey Bowden
(clbowden) - MLife

Locale: Berkeley Hills
Help selecting a waterproof stuff sack for storing my down sleeping bag on 04/07/2008 13:40:28 MDT Print View

Fourth on Trash Compactor Bags.

I will add that I've kept my down bag dry in them when my entire pack has been submerged while using it as a floatation device.


Dave .
(Ramapo) - F
Well... on 04/07/2008 13:45:32 MDT Print View OR Dry Sack came in the mail on Saturday. Looks like the chorus of support for the trash bags came too late!

Oh well, it wasn't expensive and it'll be fun to experiment with various set ups.

Thanks for all the info and opinions. Appreciated as always.