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Description

Shave weight off your compression sack system, and make it waterproof by switching to the Sea To Summit eVent Compression Dry Sack.

Sea To Summit used waterproof breathable eVent material to make the first waterproof compression bag without a valve—the eVent Compression Dry Sack. Close this Sea To Summit compression sack, and the breathable material vents air as you cinch the compression straps. No more soaked sleeping bag after a rainy day, and no more valve poking you in the back as you hike. On top of the water protection and low bulk, the eVent Compression Dry Sack weights a scant 5.2oz (medium size).

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Sea To Summit eVent Compression Dry Sack

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Here's what others have to say...

Unanswered Question

What size would work for a BA Lost Ranger long?

Unanswered Question

Just purchased the Big Agnes Wind Lip Sleeping Bag: 28 Degree Synthetic. Can you suggest which size I should go with?

Would the xs be too small for the Alps Mountaineering Razor sleeping bag/liner?

Best Answer Responded on

This liner/bag, will compress down to 6x13", so you could definitely use the extra small.

Emily Jenson
Expert Gearhead

What size stuff sack should I purchase if I want to use this for my Marmot Limelight 2-Person tent?

Best Answer Responded on

My Marmot 2 person tent fit perfectly in a medium. I was amazed at how much it compressed!

What size should I get for a North Face Reg Kazoo 15 degree down sleeping bag. Calculated the stuff sack size to be 17 L cannot decide between the L or XL.

Responded on

I would go with the L. It will be just a little bit bigger than the stuff sack that came with your bag so it will be easier to stuff it into. It will compress down quite a bit to save you space in your pack.

5 5

Perfect Sleeping Bag Companion

  • Familiarity: I've used it several times

It made my sleeping bag half the size and took about half the effort of getting it into the factory made stuff sack. I carried it outside of my pack and it stayed dry through melting Shasta slush. I can't recommend it highly enough - even compressed dirty clothing to free up additional interior space.

Unanswered Question

What size would work for the rei siesta double bag that unzips into 2 bags? Thanks :)

5 5

Awesome

This works great. It fits my full-size sleeping bag perfectly. Very durable and love how it's waterproof. Makes packing for my trips quick and easy. Any time you can save space and pack more is awesome. Definitely recommend this!

5 5

the best compression sack

  • Familiarity: I've put it through the wringer

lugged a sleeping bag around south america for five months with this compression sack. It made the sleeping bag fit in the bottom of my pack much better and kept it nice a dry. The thicker material keeps everything inside protected.

What size do I need for my WM puma bag MF 6ft6?
Thanks

Responded on

Hey Danny,

So the Western Mountaineering Puma Super MF Sleeping Bag: -25 Degree Down in a 6ft 6in version has a packed size of 10" x 20"

This comes to be 1571 cubic inches or 25.75 liters.

So for 26 liters, I'd suggest the XL of this stuff sack.

Shoot me an email if you have any questions at all!

Jared D.
Expert Gearhead
801.736.4336
jdowns@backcountry.com

Responded on

lorp,

How did this work out? I have the same WM bag in a regular and I was able to use the L stuff sack, but it was more challenging. I easily fit it into the XL, but felt that it could have been compressed a good bit more.

I'm looking to buy this for my -20 Crosho Big Agnes bag. I was thinking of buying the large but I am unsure if that would be the correct size. Any size suggestions?

Responded on

The supplied stuff sack your bag comes with is 10x21.

The large sea to summit is 19x 20 and the xl is 10.5 x 23.

I would most likely go with the XL depending upon how difficult it is to get it in the supplied stuff sack. You are going to get it to compress down to the same size no matter what between the two. I would just look at wrestling the thing into a slightly smaller bag or having an easier time with a bit larger one.

5 5

Made my boyfriend jealous!

  • Familiarity: I've used it once or twice and have initial impressions

Great sack! I fit 2 pairs of pants, 3 shirts, down jacket, rain jacket, small msr and head lamp...

5 5

Great piece of kit

  • Familiarity: I've used it several times

Used in hot dry weather so unable to comment on water proof abilities. Compresses clothing well.

5 5

Best Piece of Gear I Own

  • Familiarity: I've put it through the wringer

I have 2 of these. One I have been using for around 4 years. I bring it on every single climb, hike, camping trip, etc that I go on. It is solid. I usually use it to store my down sleeping bag. It never leaks and has shown no wear what-so-ever. Worth every penny.

WHAT SIZE SHOULD I BUY FOR MY MEC ZIZ...

WHAT SIZE SHOULD I BUY FOR MY MEC ZIZ SLEEPING BAG

Best Answer Responded on

Jennifer, It states that your bag stuffed is 10.9 liters. I would say the Medium would be the one to get as it maxes out at around 14 liters giving you a bit of extra space to get it all in and then allowing you to compress it down.

4 5

Stuff your sack.

I have quite a few dry bags for kayaking but purchased one of these for mountaineering and hiking for stuffing and compressing the sleeping bag.

I don't think I will ever use this thing for using in the kayak, Nope, it just doesn't seem durable enough. For stuffing it in your backpack, no problem.

I got the Medium for my Marmot lithium 0 degree down bag. It does make it a bit smaller than just stuffing it into the stuff sack it came with. Every bit of space counts when you are trying to fit everything in there.

5 5

solid stuffing

  • Familiarity: I've used it several times

I haven't had the chance to test out the water repelling capabilities of these yet, but they can compress really well. Having an eVent jacket, I'm sure these will stay dry really well too. I've already gotten two sizes in these, and plan to get at least one of each! Will post again when I find out what happens when trying to get them soaked.

what size for the new Mountain Hardwear...

what size for the new Mountain Hardwear Optic 2.5. if anyone has one im sure you can see the sack it comes in doesnt compress and is far too big for it. but love that tent!

Best Answer Responded on

According to the REI website (http://www.rei.com/product/864138/mountain-hardwear-optic-25-tent#specsTab), it's packed size is 7 x 23 inches; I don't know how much smaller than that you can get it when it isn't sacked up in it's factory stuff sack, but I've included a picture of a Medium-sized one of these, with a regular size Nalgene bottle for a scale reference, since nearly everyone has one of those. As you can see from the pic, the medium is pretty freaking large, so depending on how closely you can get it packed to Nalgene size, I would go with the size closest to that.
Hope this helps.

According to the REI website (http://www.rei.com/product/864138/mountain-hardwear-optic-25-tent#specsTab), it's packed size is 7 x 23 inches; I don't know how much smaller than that you can get it when it isn't sacked up in it's factory stuff sack, but I've included a picture of a Medium-sized one of these, with a regular size Nalgene bottle for a scale reference, since nearly everyone has one of those. As you can see from the pic, the medium is pretty freaking large, so depending on how closely you can get it packed to Nalgene size, I would go with the size closest to that.  <br/> Hope this helps.
4 5

Fits Nemo Mezzo Loft 30 sleeping bag

  • Familiarity: I've put it through the wringer

20 Liter is a tight fit but works. Once compressed, fits nicely in the Gregory Baltoro 75 pack's sleeping bag compartment (bottom of pack). Side note, Sea to Summit 65 Liter eVent makes a great pack liner on top of this product. Cheers.

What size compression sack to get for an...

What size compression sack to get for an older Kelty sawtooth 20 degree bag? Finished size is 32 x 84 inches. Weight of filling material is 48oz. Filled with Polaguard.

Responded on

I believe the original stuff sack was 7.5 x 16 inches which would put you in the small compression sack for this eVent compression sack.