Top Rated Gear

Sea to Summit Ultra-Sil Dry Bag 5 L

SKU: STSUDB5LSGRY MFR: A4242-11
$24.95

Key Features

  • Keep gear dry with this lightweight Sea to Summit Ultra-Sil dry bag for backpacking.
  • Waterproof protection ensures your essentials stay safe in wet conditions; not for diving!
  • The non-wicking hypalon roll-top closure creates a secure seal against moisture damage.
  • Oval base design maximizes space, making it easy to pack efficiently for any adventure.
  • Durable and reliable, this dry bag is perfect for kayaking, camping, and travel.
  • Available in multiple sizes; choose the perfect Ultra-Sil dry bag for your needs.
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Reviews about this item

Review Summary

2025-10-03T20:00:00

Rated 5 out of 5

Allagash River trip

Have multiple Sea to Summit dry bags on our canoe trip. Used 3 new bags to keep sleeping bags and electronics dry. No problems and exposed to plenty of water. Same performance we have experienced with our dry bags for years!

Eric M.

2025-08-22T20:00:00

Rated 5 out of 5

Excellent

Durable bags which are essential to separate items and also protect from wet weather conditions Top quality

Emma s.

2025-08-13T20:00:00

Rated 5 out of 5

Awesome

The bag is wonderful, well made. One of my screws on the clip was loose and fell out so watch out for that, but i love the bag. Perfect for the wonderland trail!!!!

Andrea Z.

2025-07-22T20:00:00

Rated 5 out of 5

So far so good!

Purchased 3 sets of bags for backpacking trip with Scouting America. Planned ahead of time what items would go in each bag. Descriptions, measurements and size options were very nice! So far so good. Could offer a better review after they return.

Sarah O.

2025-05-10T20:00:00

Rated 5 out of 5

Eliminates the need for a pack cover and keep your stuff organized

These super ultralight dry bags solved a riddle for a two week trek that I was trying to keep light and fast. Instead of organizing into Ziploc or other bags and having to carry a pack cover in case of rain these beauties pull double duty and do both. The different colors help keep things organized and easy to find in my pack.

Kattaryna S.

Sea to Summit Ultra-Sil Dry Bag Specifications

  • Best Use

    Backpacking

  • Waterproof

    Yes, in situations where the dry bag will not be submerged

  • Closure

    Non-wicking hypalon roll-top closure

  • Repair Buckle Size

    5/8" (15mm) (2-Pin)

  • Shape

    Oval base

  • Dimensions

    5L: 6.7 x 5.9 x 12.1" (17.1 x 15 x 30.8cm)
    8L: 7.5 x 6.8 x 14.5" (19.1 x 17.2 x 36.8cm)
    13L: 8.7 x 7.7 x 17" (22 x 19.6 x 43.3cm)

  • Weight

    5L: 1.1 oz (32g)
    8L: 1.4 oz (39g)
    13L: 1.7 oz (47g)

  • UPC Code

    9327868153435

About Sea to Summit Ultra-Sil Dry Bag

FEATURED REVIEWS

Allagash River trip

By Eric M.

Have multiple Sea to Summit dry bags on our canoe trip. Used 3 new bags to keep sleeping bags and electronics dry. No problems and exposed to plenty of water. Same performance we have experienced with our dry bags for years!

Excellent

By Emma s.

Durable bags which are essential to separate items and also protect from wet weather conditions Top quality

Award-Winning Performance for Lightweight Adventures
This Dry Bag is an award-winning essential for anyone who needs dependable, ultralight waterproof storage. Recognized with the Backpacker Editors' Choice Award in 2006, it continues to be a top pick among hikers, cycle tourers, and global travelers. Built for backpacking and travel, this lightweight dry bag helps you keep your gear organized and moisture-free inside your pack or duffle.

Durable, Waterproof, and Easy to Use
Crafted from bluesign approved 30D Ultra-Sil fabric using Cordura nylon yarns, this Sea to Summit dry bag offers a strong balance of waterproof performance and minimal weight. Its semi-translucent design lets you identify contents at a glance, while taped seams and a PFC-free DWR finish keep moisture out. The non-wicking Hypalon roll-top closure ensures a reliable seal that's quick and easy to secure-making it ideal for fast-paced travel and backpacking.

Smart Shape and Packability
The oval-shaped base prevents the bag from rolling away on sloped ground and makes it easier to pack efficiently into backpacks and gear systems. The slippery finish allows for hassle-free sliding in and out of tight spaces. Though this ultralight dry sack is not designed for paddle or watersport use, it's an excellent choice for anyone needing lightweight waterproof protection for clothing, electronics, or travel essentials.

Sea to Summit Ultra-Sil Dry Bag Features

  • Award-winning ultralight dry bag design since 2006
  • Constructed with 30D Cordura Ultra-Sil fabric
  • Bluesign approved and PFC-free for sustainability
  • Semi-translucent fabric makes gear easy to find
  • Roll-top Hypalon closure keeps moisture out
  • Taped seams offer extra waterproof protection
  • Oval base prevents rolling on uneven ground
  • Ideal for organizing gear in packs and duffles
  • Slick finish helps with smooth packing access
  • Great choice for hiking bikepacking and travel

Warranty Information

This product has a limited lifetime warranty.

Key Features

  • Keep gear dry with this lightweight Sea to Summit Ultra-Sil dry bag for backpacking.
  • Waterproof protection ensures your essentials stay safe in wet conditions; not for diving!
  • The non-wicking hypalon roll-top closure creates a secure seal against moisture damage.
  • Oval base design maximizes space, making it easy to pack efficiently for any adventure.
  • Durable and reliable, this dry bag is perfect for kayaking, camping, and travel.
  • Available in multiple sizes; choose the perfect Ultra-Sil dry bag for your needs.