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๐ Ultra-light, ultra-ready: your everyday adventure companion.
The Ultra-Sil Ultralight Day Pack offers a 20-liter capacity in a featherweight design under 3 ounces, crafted from durable, water-resistant 30D siliconized Cordura Nylon. It packs down to the size of a tennis ball, features ergonomic straps, two-way zippers, and webbing loops for versatile use. Ideal for travel, cycling, or quick errands, it includes a stuff sack and carabiner for effortless carry and storage.






























| ASIN | B0BSSLWQDM |
| Age Range Description | Adult |
| Apparel Closure Type | Zipper |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Backpack Design | Daypack Backpack |
| Backpack Harness Type | Shoulder Harness |
| Best Sellers Rank | #9,726 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #52 in Hiking Daypacks |
| Brand Name | Sea to Summit |
| Color | Highrise Grey |
| Customer Reviews | 4.2 out of 5 stars 910 Reviews |
| Embellishment Feature | Cord |
| Fabric Type | 30D siliconized Cordura nylon |
| Fit Type | Regular |
| Fit to Size Sentiment | Neutral |
| Global Trade Identification Number | 09327868155743 |
| Item Dimensions D x W x H | 7.9"D x 11"W x 18.9"H |
| Item Shape | rectangular prism |
| Item Weight | 3.2 ounces |
| Lining Description | Nylon |
| Manufacturer | Sea to Summit |
| Manufacturer Part Number | ATC012021-061710 |
| Material Type | Nylon |
| Number of Compartments | 1 |
| Number of Items | 1 |
| Other Special Features of the Product | Water Resistant |
| Outer Material | Nylon |
| Pattern | Solid |
| Pocket Description | Utility Pocket |
| Product Care Instructions | Hand Wash Only |
| Product Style | Daypack Backpacks |
| Recommended Uses For Product | Backpacking, Hiking, Travel |
| School Type | High School |
| Shell Type | Soft Shell |
| Size | 20 L |
| Sleeve Length Description | Sleeveless |
| Sport Type | Cycling, Travelling |
| Storage Volume | 20 Liters |
| Strap Type | Shoulder Strap |
| Style Number | ATC012021-061710 |
| Subject Character | sports |
| Theme | Mountain |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
| Zippered Compartment Count | 1 |
E**G
Super compact storage, big enough to use!
Love this compact backpack! Had it 4+ years! I usually leave it in my car and take it when I need it. Sometimes I use it when getting just a few items at the grocery store. Other times if I go to fairs, other stores, or any event I may pick some items up at. I just put it in my pocket, or, clip it to my belt loop. I don't even notice I am carrying it; but, if I do purchase something it sure is nice to have! I recently took it on a vacation and it came in handy bringing drinks and snacks to the beach; and also, holding anything purchased. I've had my first pack for over 4 years and it still is like new. Sure maybe some scuffs, but, no actual damage. It has shed away light rain. But, heavy rain for extended times will get inside. I am going on a cruise with my fiance, her daughter, and her daughters friend soon. I decided to buy another one of these! We will be in the Bahamas, so, I figured having an extra may come in handy for someone else to use if needed. You can be sure I'll be taking both back home at the end of the trip though! These bags are awesome! I wouldn't use it as a daypack or for backpacking; but, for the uses I wanted it to perform, it is outstanding! If you want the smallest and lightest bag to have with you in case you need extra carry space, get this bag now!
D**R
Great travel backpack
Excellent backpack for traveling!! Can literally clip to a belt loop to walk around when collapsed in its pouch. Plenty if room and very durable when used.
J**G
Good, but not sure the price to value ratio is not there compared to the competition.
Needed a packable bag that could fit in a fanny pack / sling bag for an upcoming trip. Pro: Incredibly small, really fits in the palm of your hand. Zipper quality seemed solid, I imagine full it could be light and easy to carry. Cons: Overpriced for what this is. Also, the gray color was too transparent - everyone will see what you have in your backpack. I ended up returning this due to similar options being available from Amazon. I ended up going with a "4Monster" 24L packable bag, that while it doesn't pack quite as small - does offer more features.
M**N
Awesome lightweight day pack, better than the Osprey equivalent!
This thing is incredibly light at 2.4oz/68g (pack only) + 0.14oz/3.85g (mini included carabiner) and can also carry a bit of a load. I purchased the similar one offered by Osprey (the one that has a water bottle holder and has slightly padded shoulder straps), and I expected to like the Osprey better. I liked its extra pocket better and the water bottle holder, but the dealbreaker was that itโs padded shoulder straps didnโt feel padded at all, and all of the weight was actually on the edges of the strap, making it feel like two strands of rope that made it uncomfortable. The Sea to Summit straps are so much more comfortable! And the pack is lighter weight, and packs down to almost half the size of the Osprey. I take this pack with me on most of my short day hikes and barely notice it's there. Pro tip: buy Bed Sheet Fasteners / Suspenders (available here on Amazon) and use as a chest strap!
G**R
Packs small without the expected punch
Not quite what I thought especially when paying the full price. HighRise Grey makes the backpack look almost transparent. Packs very small. Great to have in an emergency situation when exploring a town or on the airplane.
N**Y
Love this so much!!
I absolutely love this backpack as a super lightweight day pack when I travel. It weighs nothing takes up no space in my travel backpack and holds everything I need for the day while saving my back from being in pain (I have a bad back and this is great). Will it fall apart on you? Yes ... Eventually. BUT I was able to use this bag across 4 continents carrying my water bottle wet swim suits first aid kit and sunscreen I needed. Was able to keep the straps on with safety pins which worked great because the bag it's self is so light. This was possibly the best value for money I have ever purchased for traveling because it saved my back from pain while carrying everything I needed for an awesome day. And I was able to nurse it along for so long. I eventually got rid of my first back pack (a very sad parting) but I bought 2 more one I'm using now and a spare for when this one also gives up the ghost. Bottom line yes it will fall apart but until then it's great!
R**E
Disposable bag, holes appear after single use
2 stars for being light as possible and packable. However this is basically a disposable bag. After one use, I had 2 holes in the bag. If you have a specific one time use for a bag like this, for instance a 1 day Backcountry summit push, it's the right product. If you'd like to use it more than once, think about buying something a little more durable. Or just use a free plastic grocery bag.
I**E
Great Daypack
I bought this for a trip to Alaska and it has been great! Completely waterproof, easy to pack, and durable. Itโs the perfect size for a daypack and allowed us to pack extra gloves, socks, etc. It rolls up quite compact and can practically fit in your pocket. Itโs good quality but Iโd hesitate to put anything super heavy or bulky in it.
T**I
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W**W
Barely ordered it and it was here!
Had to make special mention of lightning speed shipping- especially with current delays. Excellent product!
J**N
Rubust little bag
Very easy to use and holds quite a lot.
C**S
Excellent for bike packing trips
Perfect for trips when you might need a pack from time to time - but not all the time. Packs really small and light. Feels delicate but seems ok in use. Have used for a couple of weeks on a bike tour - was great for visiting supermarkets but I was nervous about overloading it.
B**A
Tiny daypack
Ultra light, no frills day pack- easy to pack down into the drawstring bag
Trustpilot
2 weeks ago
2 months ago