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Sea to Summit Ultra-SIL View Dry Sack 20Ltr Blue

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The award-winning Ultra-Sil™ Dry Sack is also available with a clear TPU window. The Ultra-Sil™ View™ Dry Sack is made from a 30D siliconized CORDURA® brand fabric with a TPU window RF-welded into the side panels. This makes packing and unpacking quick and easy as you can see what you're reaching for. With a round base design and ultra-light materials, this is perfect for use inside your pack when backpacking, cycle touring, traveling and any activity that requires organized packing and visibility of your contents. 

Read more about which dry bag is right for you HERE

Perfectly adequate durability for use inside a backpack. Avoid hard edges and corners and sharp or abrasive external objects

Greater than 2000mm hydrostatic head – more than sufficient water protection for use inside a pack

Best Use
Backpacking & Travel

What this bag could hold
2 liter: some snacks, first aid essentials, gloves or beanie
4 liter: shell jacket or gloves / beanie, day-hiking essentials
8 liter: a two-season or a high-end three-season down sleeping bag, dry clothes for a backpacking trip
13 liter: all your clothes for a backpacking trip or a mid-range three season sleeping bag
20 liter: a three-season synthetic sleeping bag plus a Reactor Liner
35 liter: use as a full pack liner for overnight (30+ Liter) packs


  • 30D siliconized high-tenacity CORDURA® Nylon fabric for extra strength, durability and a smooth finish for easy packing
  • Ultra-Sil fabric has a 2,000mm hydrostatic head
  • Waterproof hypalon roll-top closure does not wick moisture
  • Waterproof seams - double stitched and tape sealed
  • Reinforced stitching for greater seam strength on all stress points
  • Super compact and ultra lightweight
  • This product is not intended for boating or marine use

Backpacking, Hiking, Bike Packing & Travel
Waterproof Hypalon roll top closure
Lightweight Ultra-Sil nylon
Cylindrical with an ideal height-to-width ratio for easy packing

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