Sea to Summit Ultra-Sil Dry Sacks are more than 50% lighter than our super popular Lightweight Dry Sacks. They're made of Siliconized Cordura, which is one of the lightest and toughest waterproof nylon fabrics available. Now...

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Sea to Summit Ultra-Sil Dry Sacks are more than 50% lighter than our super popular Lightweight Dry Sacks. They're made of Siliconized Cordura, which is one of the lightest and toughest waterproof nylon fabrics available. Now you don't have to choose between keeping your gear dry and keeping it light. A Backpacker magazine Editors' Choice Award Winner!

  • Ultralight 1-liter roll-top dry sack is the ideal dry storage and organizing option for backpacking, bike touring, and travel
  • Manufactured from 30D Ultra-Sil Cordura nylon with a smooth finish for easy packing; 2,000mm waterhead (the higher the waterhead rating, the more waterproof the fabric)
  • Reinforced waterproof seams are double-stitched, and tape sealed, with reinforced stitching at stress points; secure hypalon roll-top closure; fabric is translucent for visibility of contents
  • Cylindrical base has ideal height-to-width ratio for easy packing; patent-pending field repair buckle can be replaced in seconds
  • 1-liter dry bag is ideal for carrying phone, snacks, and wallet; open dimensions: 4.9 x 9.4 inches, weight: 0.7 ounces, volume: 1 liter (with closure rolled three times)
  • Ultralight 1-liter roll-top dry sack is the ideal dry storage and organizing option for backpacking, bike touring, and travel
  • Manufactured from 30D Ultra-Sil Cordura nylon with a smooth finish for easy packing; 2,000mm waterhead (the higher the waterhead rating, the more waterproof the fabric)
  • Reinforced waterproof seams are double-stitched, and tape sealed, with reinforced stitching at stress points; secure hypalon roll-top closure; fabric is translucent for visibility of contents
  • Cylindrical base has ideal height-to-width ratio for easy packing; patent-pending field repair buckle can be replaced in seconds
  • 1-liter dry bag is ideal for carrying phone, snacks, and wallet; open dimensions: 4.9 x 9.4 inches, weight: 0.7 ounces, volume: 1 liter (with closure rolled three times)

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