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Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey

Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey

(755 reviews)

The Sea to Summit Ultra-Sil Dry Sack won the sought after Backpacker Editors' Choice award in 2006 and is still the ideal dry sack available for backpacking. Made with lightweight, waterproof 30D Ultra-Sil CORDURA brand fabric it's the perfect choice for modular packing to organize your gear inside your backpack like a pro. With an almost translucent look, visibility of contents is easy, and if you're really organized you'll make use of multiple color options to find things easier. Other features include a non-wicking Hypalon Roll-top closure, a round base for ease of packing and fully seam sealed for water resistance. An excellent choice for lightweight backpacking, cycle touring and travel.

The Sea to Summit Ultra-Sil Dry Sack won the sought after Backpacker Editors' Choice award in 2006 and is still the ideal dry sack available for backpacking. Made with lightweight, waterproof 30D Ultra-Sil CORDURA brand fabric it's the perfect choice for modular packing to organize your gear inside your backpack like a pro. With an almost translucent look, visibility of contents is easy, and if you're really organized you'll make use of multiple color options to find things easier. Other features include a non-wicking Hypalon Roll-top closure, a round base for ease of packing and fully seam sealed for water resistance. An excellent choice for lightweight backpacking, cycle touring and travel.

$22.99 - $22.99

in 2 offers

Colour:

Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit Ultra-Sil 1.5L Stuff Sack - Blue Atoll
Sea to Summit Ultra-Sil Dry Sack-Blue-4 litres
Ultra-Sil Stuff Sack | Sea to Summit 5 Litre / High Rise Grey
Sea to Summit Ultra-Sil 8L Dry Bag - High Rise
Sea to Summit Ultra-Sil 35L Dry Bag - Spicy Orange
Sea to Summit Lightweight Stuff Sack Surf The Web Blue / 13L
Sea to Summit Ultra-Sil Dry Bag 13L / Tarragon Green
Sea to Summit Ultra-Sil 1.5L Stuff Sack - Zinnia

Size:

1.5 L
2 L
3 L
5 L
8 L
13 L
20 L
35 L

Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey

$22.99

(755 reviews)

The Sea to Summit Ultra-Sil Dry Sack won the sought after Backpacker Editors' Choice award in 2006 and is still the ideal dry sack available for backpacking. Made with lightweight, waterproof 30D Ultra-Sil CORDURA brand fabric it's the perfect choice for modular packing to organize your gear inside your backpack like a pro. With an almost translucent look, visibility of contents is easy, and if you're really organized you'll make use of multiple color options to find things easier. Other features include a non-wicking Hypalon Roll-top closure, a round base for ease of packing and fully seam sealed for water resistance. An excellent choice for lightweight backpacking, cycle touring and travel.

The Sea to Summit Ultra-Sil Dry Sack won the sought after Backpacker Editors' Choice award in 2006 and is still the ideal dry sack available for backpacking. Made with lightweight, waterproof 30D Ultra-Sil CORDURA brand fabric it's the perfect choice for modular packing to organize your gear inside your backpack like a pro. With an almost translucent look, visibility of contents is easy, and if you're really organized you'll make use of multiple color options to find things easier. Other features include a non-wicking Hypalon Roll-top closure, a round base for ease of packing and fully seam sealed for water resistance. An excellent choice for lightweight backpacking, cycle touring and travel.

Colour:
Sea to Summit - Ultra-Sil Dry Sack, 4L / Grey
Sea to Summit Ultra-Sil 1.5L Stuff Sack - Blue Atoll
Sea to Summit Ultra-Sil Dry Sack-Blue-4 litres
Ultra-Sil Stuff Sack | Sea to Summit 5 Litre / High Rise Grey
Sea to Summit Ultra-Sil 8L Dry Bag - High Rise
Sea to Summit Ultra-Sil 35L Dry Bag - Spicy Orange
Sea to Summit Lightweight Stuff Sack Surf The Web Blue / 13L
Sea to Summit Ultra-Sil Dry Bag 13L / Tarragon Green
Sea to Summit Ultra-Sil 1.5L Stuff Sack - Zinnia

Size

4 L
​

Price comparison

Last updated at 20/07/2025 17:27:30

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Price history

​
​

Price history

​
​

Reviews

Best dry bag I've owned and not many like it.
11 February 2023
Curtis

originally posted on seatosummitusa.com

Ether XT Ultralight Sleeping Mat
9 February 2022
Isaac B.

originally posted on seatosummitusa.com

Fail
31 July 2022

originally posted on seatosummitusa.com

Specification

Hand OrientationLeft/Right
Season4
SportCamping & Hiking
Included ComponentsDry sack
Product dimensions28.96 x 12.95 x 12.95 cm; 25.51 Grams

Price comparison

Updated about 21 hours ago
Bags To Go

$22.99

+$10.00 delivery
Lasoo

$22.99

+$14.95 delivery

See 11 more history offers

Catch.com.au

$22.99

Low Stock
Mansfield Hunting & Fishing

$20.00

Low Stock
K2 Base Camp

$18.36

Low Stock
www.aussiestormshop.com.au

$14.95

Low Stock
Byron Bay Camping & Disposals

$17.95

Low Stock
eBay.com.au - mansfieldhuntingandfishing

$20.00

Low Stock
MyDeal

$22.99

Low Stock

cashrewards

Up to 4.2% cashback


shopback

Up to 3.6% Cashback

Hillmalaya

$20.00

Low Stock
BCF

$12.00

Low Stock

cashrewards

2% cashback


shopback

8% Cashback

Factory Deals Direct 2U

$13.00

Low Stock
Commuter Cycles

$22.00

Low Stock

Price history

​
​

Price history

​
​

Reviews

Best dry bag I've owned and not many like it.
11 February 2023
Curtis
originally posted on seatosummitusa.com
Ether XT Ultralight Sleeping Mat
9 February 2022
Isaac B.
originally posted on seatosummitusa.com
Fail
31 July 2022
originally posted on seatosummitusa.com
Great, but Sea To Summit you have a great opportunity here.
30 July 2022
John H.
originally posted on seatosummitusa.com
It says it's waterproof, but it isn't
5 December 2022
originally posted on seatosummitusa.com
Like a regular dry bag, but better!
16 March 2023
Ken G.
originally posted on seatosummitusa.com
Love these bags
10 January 2023
Dee D.
originally posted on seatosummitusa.com
Not durable or rugged - holes from slight abrasion (65L Big River)
7 September 2022
Kevin
originally posted on seatosummitusa.com
The Big River are my
3 June 2022
Brian
originally posted on seatosummitusa.com
The Big River Dry Bags
31 January 2023
Joseph M.
originally posted on seatosummitusa.com

Specification

Hand OrientationLeft/Right
Season4
SportCamping & Hiking
Included ComponentsDry sack
Product dimensions28.96 x 12.95 x 12.95 cm; 25.51 Grams