Sea to Summit Ultra-SIL Compression Dry Sack, Ultralight Dry Bag

Neck pillows seem like a godsend on a long haul flight, but I'm always surprised at how few people use them. At least part of it must be that they're SUPER bulky, and in this day of rollaboard, no checked bags airtravel, every inch counts. Enter the Sea to Summit Ultra Sil compression sack, XXS size. First of all, amazing that you can get a compression sack of this quality in this variety of sizes. Waterproof, durable and easy to use--these things are amazing. Most high quality neck pillows are made of polyurethane foam, like memory foam. Therefore they're ideal for compressing into minimal volume. Cabeau, Travel rest, etc. The simple nylon sacks they come in have no compression capability save for maybe a single Velcro strap. With this stuff sack, you can get at least 4:1 compression.

I needed a way to waterproof my hammock (Warbonnet Blackbird) in its Bishop Bag. This fit the bill perfectly. It is well made, functional, and kept the hammock dry during a bushwhack down a creek with multiple crossings, one swim, and a pounding thunderstorm with hail and epic rain. The bagged hammock fit in the XS size nicely and compressed down to a compact bundle. I like it. I just bought another XS, and in addition one of the XXS for a planned kayak trip I have coming up. I have no issues with straps twisting, loosening, or anything else. This is a piece of lightweight/ultralight gear-- it takes a bit of focus when using and it needs to be handled with a modicum of care. If you want something that takes zero thought to use there are simpler (and heavier) options. This is a good product that does the job.

I needed a dry bag to keep my extra clothing dry while backpacking and these bags were recommended to my by another seasoned backpacker. I had originally bought one of the regular compression dry sacks (the non ultra sil version) and I had liked it very much. When it came time to purchase another dry bag I chose the ultra sill version this time. When you compare this to the original it seems a little less durable but its performance has stood up just as well while weighing less. What sets these bags apart from other types of dry sacks in the eVENT technology that lets you compress your dry sack by letting all the air out while still remaining water tight. I bought the 6L size bag which is about big enough to fit a couple extra pair of socks and underwear, an inflatable pillow, a travel size towel, and a set of thermals. While this is the perfect size for my needs, if you intend on carrying more clothing I would recommend the next size up.

Great update to an already awesome bag. This bag is extremely waterproof. The compression + venting make it ideal for packing tight. You can really pull down on the straps to get the contents small. It works well for clothes, sleeping bags, food, tents, and other items that need to be protected / organized. This Ultra-Sil bag is slightly less durable than the original eVent compression - but I like this version better. The Small is 10 Liters (pictures below) - good for an extremely small sleeping bag/quilt, a puffy jacket, or a change of clothes.

So far so good. I use these to compress my down hammock quilts. The cinch sack help compress down for space and keep them protected from potential rain or other wetness. The only tricky part is allowing the air out while compressing. Since its a dry sack, it tends to hold the air...

I cram a lot of stuff in here and really compress it down. So far, no failures in any seams. I haven't tested soaking it or anything like that. I put my clothes in one of these and my sleeping bag in another one of these. I'm assuming they will repel water as advertised and I'll wait for the day that I'm drenched to see if they really work. The best part is that the material really holds up. I purchased these four seasons ago and have taken them on seven, one-week trips now. I've packed and repacked them probably 20-30 times at least and still no failures. And I pack them, then sit on them to really squish them down, then pull the straps tight. It's really dense when I'm done. I am very careful to be sure I am evenly distributing the tension and not just pulling like crazy in all directions. That may make the big difference as I'm not being sloppy about it.

This Ultra Sil version of the E-Vent compression sack is similar to but much lighter than the regular E Vent compression sack. Both are water proof but this one is best for light backpacking. It is minimal. It works perfectly. Don't expect to slam you gear into it and then crank down on the straps. Pack it carefully and then push down on it as you take the slack out of the straps. Excellent product.

Stayed dry & compressed well with air going out through wall membrane, on my last 6 day white water river trip! Everyone was really interested in it. Unlike any other dry bag on trip! Bring a big carabiner to attach it onto a strap on your boat!

NANGAのダウンジャケット携帯用に購入しました。無理しないくらいで収納できます。これより大きければブカブカだし、これより小さければ収納に苦労するか、といったところです。 圧縮はそれなりですが携帯用としては満足できます。公式の袋もあるようでしたが値段もそれほど変わらず、防水は信頼がおけるメーカーで、圧縮機能がわかりやすい当製品を選んで正解だったと思います。

I just bought a new larger bag. I had a smaller one of these for my old bag so I just had to buy one for new bag. Delighted to find it even lighter and better than my original event stuff sac.

I haven't used it yet but seems to be really good quality and I love the way it expels air while compressing.

Top of the line product, before using watch an instructional video or 3 on how to use a compression sack, or its possible to damage the sack if improperly used.

NANGAのシュラフ （DXダウン370・別注センタージップ）用に購入しました。 が、小さくて入りませんでした。。。 mont-bellの#3が入るなら…と思ったのですが、ぎゅうぎゅうに押し込んでも長さが足りません。 軽さ、防水性などとても気に入ったので、Sサイズを追加購入しようと思います♪ これは、テン泊の着衣用にします！