Sea to Summit Ultra-Sil Nano Dry Sack

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  • $27.26
  • Regular price $36.99
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Designed with ultralight backpacking in mind, our Ultra-Sil™ Nano™ Dry Sack is made from 15D siliconised Nylon laminated with Polyurethane to create our featherweight Ultra-Sil™ Nano™ fabric that still offers a hydrostatic head greater than 1200mm—and it's 30% lighter than our award-winning 30D Ultra-Sil® Dry Sack! Using a non-wicking roll-top closure, they are fully seam-sealed for water resistance and feature an oval base for easy packing.


  • Ultra-Sil Nano 15D nylon fabric for advanced strength to weight performance
  • Ultra-Sil Nano has a 1,200mm waterhead
  • Fully seam-sealed for water resistance
  • Reinforced stitching for greater seam strength on all stress points
  • Hypalon roll top closure does not wick moisture
  • Siliconised fabric for easy packing
  • Compact and super lightweight