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Ultra-Sil Dry Bag

Color: Atoll Blue

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Keep gear reliably dry and organized inside your pack

The Ultra-Sil Dry Bag won the sought-after Backpacker Editors' Choice award in 2006 and remains the ideal dry bag for backpacking and travel. Made with lightweight, waterproof bluesign® approved 30D Ultra-Sil fabric featuring Cordura® yarns, it's the perfect choice to organize your gear inside your backpack or duffle like a pro. The semi-translucent fabric makes it’s easy to see what’s in each dry bag. Other features include a non-wicking hypalon roll-top closure, an oval base to prevent the dry bag from rolling away on sloped surfaces and taped seams to keep moisture out. An excellent choice for lightweight backpacking, cycle touring and travel.


BEST USE: Backpacking
WATERPROOF? Yes, in situations where the dry bag will not be submerged
DIMENSIONS: 6.7 x 5.5 x 8.1 in | 17.1 x 14 x 20.7 cm 
WEIGHT: 1.1 oz | 30 g


  • Robust and extremely light bluesign® APPROVED Ultra-Sil 30D Cordura® nylon fabric
  • Find what you need fast through the translucent fabric
  • Oval base prevents rolling and packs efficiently
  • Slippery finish for easy packing and unpacking
  • PFC-free DWR finish


  • BEST USE: Backpacking
  • CLOSURE: Non-wicking hypalon roll-top closure
  • REPAIR BUCKLE SIZE: 5/8in / 15mm (2-Pin)
  • SHAPE: Oval base


  • Is this dry bag suitable for paddle sports?
    No. Featherweight fabrics are not appropriate for the sharp or abrasive elements in water sports. We recommend Lightweight Dry Backs for general paddle use.
  • Is this dry bag waterproof?
    The body of the dry bag is waterproof enough (2000+ mm hydrostatic head) for use as storage inside a backpack or duffle. However, for water sports or on its own, we recommend dry bags with higher hydrostatic head ratings.
  • Is this dry bag worth the weight and cost?
    Once you've experienced modular packing with ultralight, easy to pack, translucent dry bags, you’ll wonder how you ever lived without them.