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Sea to Summit Ultra-Sil Nano Dry Sack, Featherlight Dry Bag

4.6 4.6 out of 5 stars 588 ratings
$12.71
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Lime
1 Liter
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About this item

  • Featherlight 1-liter roll-top dry sack is the ideal dry storage and organizing option for mountaineering, climbing, alpine adventures, and minimalist pursuits
  • Manufactured from 15D Ultra-Sil nylon with a smooth siliconized finish for easy packing; 1,500mm waterhead (the higher the waterhead rating, the more waterproof the fabric)
  • Reinforced waterproof seams are double-stitched, and tape sealed, with reinforced stitching at stress points; secure hypalon roll-top closure; fabric is translucent for visibility of contents
  • Low-profile, streamlined shape saves space, and oval base resists rolling; patent-pending field repair buckle can be replaced in seconds
  • 1-liter dry bag is ideal for carrying wallet and earbuds/headphones; open dimensions: 5.1 x 3 x 9.4 inches, weight: 0.5 ounces, volume: 1 liter (with closure rolled three times)

Frequently bought together

Sea to Summit Ultra-Sil Nano Dry Sack, Featherlight Dry Bag
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Sold by Sea to Summit North America and ships from Amazon Fulfillment.
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Sea to Summit Ultra-Sil Dry Sack, Ultralight Dry Bag
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Get it as soon as Thursday, May 2
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Sold by Sea to Summit North America and ships from Amazon Fulfillment.
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Sea to Summit Lightweight Dry Sack, All-Purpose Dry Bag
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Product Description

Sea to Summit stands for a culture of design perfectionists who develop ingenious, functionally beautiful products with an independent, free-thinking Australian attitude. We strive to create equipment that is nimble and light, but serious enough to deliver when called into duty. Gear that works just that little bit better, so you may find yourself inspired to take the less-traveled road more often.

Ingenious. Functional. Reliable. Unconventional. Inspiring.

Ultra-Sil Nano Sry Sack

Designed with ultralight backpacking in mind the Ultra-Sil Nano Dry Sack is made from lightweight  15D siliconized Nylon. With the use of featherweight 15D fabric, these are perfect for use inside your pack to keep gear organized and dry. Using a hypalon roll-top closure that doesn't wick moisture, an oval base for easy packing, these are fully seam sealed for water resistance. Ideal for backpacking, climbing, cycle touring and modular packing where lightweight and low bulk is key.

Ultra-Sil Nano Dry Sack 8L

15D Ultra-Sil
15D ULTRA-SIL

The lightest coated fabric that Sea to Summit manufactures, the 15 Denier Ultra-Sil is a siliconized nylon fabric with a polyurethane (PU) inner coating for mild waterproofing. This ultralight fabric has a 1,200mm hydrostatic head.

What this bag could hold

  • 1 liter: a phone (in a waterproof case - double bagging essential), snacks & wallet
  • 2 liter: some snacks, first aid essentials, gloves or beanie
  • 4 liter: a layer and a meal or so worth of food
  • 8 liter: a puffy jacket & a sleeping bag or food for 2-3 days
  • 13 liter: all your clothes for a trip
  • 20 liter: a tent or any Sea to Summit sleeping bag
  • 35 liter: paddle gear, overnight camp equipment or bike gear
Woman reading in tent with Sea To Summit dry bags.

Product Description

The Sea to Summit Ultra-Sil Nano Dry Sack is a featherlight dry storage and organizing option for mountaineering, climbing, alpine adventures, and minimalist pursuits. Manufactured from 15D Ultra-Sil nylon, its reinforced waterproof seams are double-stitched, and tape sealed, with reinforced stitching at stress points; 1,500mm waterhead (the higher the waterhead rating, the more waterproof the fabric). A secure hypalon roll-top closure keeps moisture out, and translucent fabric provides visibility of contents. The Sea to Summit Ultra-Sil Dry Sack’s low-profile, streamlined shape saves space, and its oval base resists rolling. A patent-pending field repair buckle can be replaced in seconds with a Phillips screwdriver. Recommended for use within a pack or duffle. Dry bag available in seven sizes: 1 liter, 2 liter, 4 liter, 8 liter, 13 liter, 20 liter, and 35 liter, to carry everything from small essentials to group gear. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.

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Sea to Summit Ultra-Sil Nano Dry Sack, Featherlight Dry Bag

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
588 global ratings

Customers say

Customers like the durability, weight, waterproofness, quality and size of the carrier bag case. For example, they mention it's surprisingly strong, very well put together, keeps everything dry and it fits perfectly into their backpack. That said, they say it'll fit all their clothes.

AI-generated from the text of customer reviews

45 customers mention34 positive11 negative

Customers like the durability of the carrier bag case. They say it's surprisingly strong given how thin and lightweight it is, and the material is amazing. They also say it is well put together, has a great strength to weight ratio, and is the only dry bags that hold up and don't disintegrate in Hawaii.

"...They are the only dry bags that hold up and don't disintegrate in Hawaii (laminates and coatings melt and fall apart here)...." Read more

"Good bag. Pretty durable for how light it is. Does tend to trap moisture if left out in the rain...." Read more

"...The material is strong, but almost rice paper thin...." Read more

"...They are also surprisingly strong given how thin and lightweight they are." Read more

39 customers mention39 positive0 negative

Customers find the carrier bag case very light. They mention it's convenient to take to the gym or for a beach trip.

"...Very convenient to take to the gym or for a beach trip/vacation...." Read more

"...They are also surprisingly strong given how thin and lightweight they are." Read more

"Pricey at $23/ea for the 13 liter sack. The weight of it is light at 27 grams...." Read more

"Extremely light weight , water proof , I use it for night clothes on the trail and extra socks , I recommend these bags for what you need out on the..." Read more

37 customers mention31 positive6 negative

Customers like the waterproofness of the carrier bag case. They mention it's a great way to protect items against water, and it dries quickly. Some say that it'll keep their items 100% dry.

"...Very convenient to take to the gym or for a beach trip/vacation. Bag dries quickly even after carrying soaking wet items and never got a damp smell..." Read more

"...It is waterproof and very good construction. Seams are sealed and double stitched...." Read more

"...They are awesomely waterproof, as I use the sacks for all season hiking/trekking and camping...." Read more

"Extremely light weight , water proof , I use it for night clothes on the trail and extra socks , I recommend these bags for what you need out on the..." Read more

35 customers mention35 positive0 negative

Customers are satisfied with the quality of the carrier bag case. They mention that it is an excellent bag for the backpack when it needs to stay dry. Some say that it seems flimsy but is quite durable. Overall, most are happy with the product's quality and durability.

"...I have another one like this that I have had for 10 years and it still works great...." Read more

"Keeps my gear organized and dry with the most minimal weight penalty in the business...." Read more

"...Worked perfectly. Zero complaints. I'm going to get a smaller one for my down puffy." Read more

"...carry all my loose small camera equipment on a recent trip and it performed well...." Read more

13 customers mention13 positive0 negative

Customers like the size of the carrier bag case. They mention it's sturdy, fits perfectly into their backpack, and is the right size for their light down jacket. It's also great for small cameras, and holds everything they need.

"...Stuffed 3 shirts, 3 boxers and 2 pairs of socks in it- fits in my small pack perfectly and now if I get stuck in the rain I at least know ill have..." Read more

"...It is a tight fit, but holds everything (tent, rainfly, stakes &floor print) great. I've had it for four years now and it is still going strong." Read more

"This is a great stuff sack. The 13 Liter size fits my down sleeping bag perfectly...." Read more

"I use this for backpacking trips. Fits a change of pants, light sleeping shorts, multiple pairs of socks, a few t-shirts, a long sleeve shirt and..." Read more

7 customers mention7 positive0 negative

Customers like the hanging of the carrier bag case. They mention that it's perfect for holding clothes, snorkeling extras, and food. Some say that it helps to organize items and keeps them dry.

"...These bags are strong and light. Great for backpack liner or travel to keep your valuables or clothes dry on a wet amazon rain forest type trip...." Read more

"...Surprisingly strong for how thin they are. They kept my underwear, socks and camera dry in a not so dry place." Read more

"...It is a tight fit, but holds everything (tent, rainfly, stakes &floor print) great. I've had it for four years now and it is still going strong." Read more

"Great for holding snorkeling or diving extras, a small towel, etc...." Read more

13 customers mention0 positive13 negative

Customers are dissatisfied with the thickness of the carrier bag case. They mention that the material is thin and weak, and it's too thin to not be punctured.

"...I also reused one as a bear hang bag which was great. Material feels very thin and fragile compared to some Ocean Pacific bags I’ve purchased but..." Read more

"just a little too thin to call this product waterproof for the real world...." Read more

"...quality similar to the regular Sea to Summit bags but it is much more thin and a moderately sharp corner of an object inside could put a hole..." Read more

"The bag is much thinner than I anticipated. It is basically see-through. But as long as it keeps my stuff dry, I suppose it is serving its purpose...." Read more

6 customers mention0 positive6 negative

Customers are dissatisfied with the puncture resistance of the carrier bag case. They mention that it tears easily, has puncture holes, and the top rips almost completely off.

"...Update 5/2016: Finally there are some punctured holes in it. Ultimately, this material is too thin to not be punctured...." Read more

"Got a hole in the bag after relatively few uses...." Read more

"...Great waterproof dry sack, not puncture proof." Read more

"Very flimsy. I wouldn't store anything of value in this. I tore a hole in the side of it literally the first time I closed it up...." Read more

Great Lightweight Stuff Sack
5 Stars
Great Lightweight Stuff Sack
I use this as a stuff sack for my Big Agnes Fly Creek Ul2 tent. It is a tight fit, but holds everything (tent, rainfly, stakes &floor print) great. I've had it for four years now and it is still going strong.
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Top reviews from the United States

Thomas Straughn
5.0 out of 5 stars Super light, waterproof bag. Awesome warranty team
Reviewed in the United States on August 8, 2022
Color: LimeStyle: 1 LiterVerified Purchase
Have had this bag maybe a year. Used several times backpacking and love it.

Would give it 6 stars if I could due to Sea to Summit warranty team. Last trip I noticed that one of the buckles from this bag had fallen off. When I got back I emailed support. In 3 days I had a package with a replacement buckle as well as a spare in case it ever happened again. Now that is service! Well done Sea to Summit!
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rk
5.0 out of 5 stars Great. This is my new first aid bag
Reviewed in the United States on September 24, 2017
Verified Purchase
Great. This is my new first aid bag. I haven't had it long, but it held up on 8 day backpacking trip. I have always had great luck with Sea to Summit dry bags. I have another one like this that I have had for 10 years and it still works great. They are the only dry bags that hold up and don't disintegrate in Hawaii (laminates and coatings melt and fall apart here). They are the only brand of dry bag I will buy since I moved to Hawaii. Note: I trim and round sharp corner edges of all things before I put them in these bags just to be careful, such as the Neosporin tube, etc. Dry bags of any brand are not totally dry when fully submerged. I use double freezer ziplocs or these thin Sea to Summit dry bags around items before putting them inside a larger dry bag. My stuff stays nice and dry this way when I'm swimming through the ocean from my anchored boat to the shoreline for instance.
2 people found this helpful
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Laura
5.0 out of 5 stars Love this product!
Reviewed in the United States on January 12, 2018
Verified Purchase
Big fan of these waterproof dry bags!! Every family member in our family has a few in different sizes (8L, 4L and bathing-suit size - 2L are our favorites). Very convenient to take to the gym or for a beach trip/vacation. Bag dries quickly even after carrying soaking wet items and never got a damp smell or a leak (if closed properly)! I like the one with the vision panel more but this one fits the purpose. I love the color options so we can all have a different one. We have purchased our first one over 4 years ago and still performs as new. I wish the clip loop would be a bit longer to be able to hang the bag but not an issue. Love them, super practical and we never go on vacation without them!
2 people found this helpful
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Jorge M.
5.0 out of 5 stars Muy delgada
Reviewed in the United States on November 3, 2023
Verified Purchase
Se que la marca es reconocida y ya la he usado antes con muy buenos resultados, pero este producto no me resultó muy bueno. Perdió la resistencia al agua muy rápido. Era muy delgada
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Eugene
4.0 out of 5 stars Good Bag
Reviewed in the United States on February 17, 2018
Verified Purchase
Good bag. Pretty durable for how light it is. Does tend to trap moisture if left out in the rain. Would keep it in my backpack rather than using it outside as a bear bag. A+
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Geoffrey A. Sergeant
5.0 out of 5 stars I couldn't believe how thin this was.
Reviewed in the United States on March 31, 2021
Verified Purchase
I bought a Feathered Friends Flicker UL 20 degrees down quilt for camping. I didn't notice that it came with its own stuff sack until I ordered this. I actually tried to cancel this order but I'm glad I was unable to because this stuff sack is much better.
The material is strong, but almost rice paper thin. I have zero doubts it will keep sleeping bag dry should I ever get caught out in the rain while hiking or if I go river camping.

If you count ounces, then these bags are the way to go.
One person found this helpful
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Trevor H.
5.0 out of 5 stars Great bag!
Reviewed in the United States on June 23, 2013
Verified Purchase
Needed something to keep some cloths dry after a very wet camping trip last year- I got the 4liter witch is about the size of a large zip lock bag. Stuffed 3 shirts, 3 boxers and 2 pairs of socks in it- fits in my small pack perfectly and now if I get stuck in the rain I at least know ill have clean dry cloths! Probably going to buy another one and a larger one for jeans and hoodies.
25 people found this helpful
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Adventurer
5.0 out of 5 stars Performance justifies the cost
Reviewed in the United States on December 26, 2015
Verified Purchase
Keeps my gear organized and dry with the most minimal weight penalty in the business.
I have four of these now and while pricey they have been absolutely worth it for my backpacking applications. Every time I go out on a hike I have total confidence these dry sacks will keep the dust and water out of my personal equipment. It's hard to put a price on comfort and convenience and since these dry sacks provide both I have yet to balk at the price. They are also surprisingly strong given how thin and lightweight they are.
2 people found this helpful
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Top reviews from other countries

Translate all reviews to English
packraft_stories
5.0 out of 5 stars Leicht und trotzdem haltbar.
Reviewed in Germany on January 19, 2024
Verified Purchase
Als Paddler ist man gezwungen, jegliche Ausrüstung wasserdicht zu verpacken, insbesondere dann, wenn man mehrere Tage remote unterwegs ist und insofern auch im Lager keine Möglichkeit hat, Dinge trocken zu lagern. Insofern besitze ich inzwischen eine ganze Reihe dieser Packsäcke in verschiedenen Farben und Größen. Alle halten trotz umfangreicher Benutzung durch. Keine gebrochenen Schnallen oder Löcher. Der Preis ist aus meiner Sicht insofern gerechtfertigt.
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Sarah dodeman
4.0 out of 5 stars Parfait pour la rando
Reviewed in France on January 8, 2024
Verified Purchase
J'utilise ce drybag pour la rando au long cours, ideal pour garder les vêtements au sec lorsque le sac est mouillé. Il se transforme en coussin le soir rempli de vêtements. Léger et fin c'est un allié pour les minimalistes de la rando.
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Henning Bolle
5.0 out of 5 stars Tolles Produkt, zu empfehlen!
Reviewed in Germany on September 6, 2023
Verified Purchase
Tolles Produkt, zu empfehlen!
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amuel
3.0 out of 5 stars leicht aber anfällig
Reviewed in Germany on September 4, 2023
Color: LimeStyle: 1 LiterVerified Purchase
Der kleine Stausack ist leicht. Aber er ist nicht robust. Auch wenn darin nichts Scharfkantiges verstaut ist, scheuern die Gegenstände innen am Gewebe und machen kleine Löcher hinein. Somit ist er nicht mehr dicht. Hier geht die kompromisslose Ultralight Philosophie einen krassen Nachteil ein. Ein paar Gramm mehr dürften es schon sein, dafür etwas haltbarer.
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fobin'
5.0 out of 5 stars Musst have für Vielwanderer
Reviewed in Germany on April 21, 2023
Verified Purchase
Ich benutze solche Beutel in verschieden Größen, das Gewicht ist (außer bei UL Geschichten) zu vernachlässigen: ich nutze einen großen wasserdichten Packsack einmal für alles im Rucksack und organisiere mit kleinen, in verschiedenen Farben wichtige Dinge, auf die ich dann allein schon der Farbe der Säcke wegen schnellen Zugriff habe. Ich kann so auf die eigentlich sinnfreien Raincover von Rucksäcken verzichten (windanfällig, kein 360Grad Wasserschutz, helfen nicht gegen Regenwasser, das zwischen Regenjacke und Rucksackrückenseite läuft).
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