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Item #: 331890319

the lightest waterproof protection, Cirrus Sack dry sacks are perfect for minimalists seeking essential protection with the least possible weight. They’re built with an ultralight, silicone-impregnated nylon, fully taped seams and a water-shielding roll-down closure for maximum protection. Large sizes make great pack liners for rainy backpacks, and smaller ones create welcome havens of organization and protection on any jtheney.


  • Ultralight Protection: Our lightest and most compact dry sack for trips where every gram counts
  • Waterproof Protection: Sewn and taped, silicone-coated 20D nylon
  • Secure Closure: Roll-top closure creates a secure seal
  • PVC-Free: Eco-friendlier coatings reduce environmental impact


  • Weight: 1.2 oz. / 34 g
  • Width: 6 in / 15 cm
  • Height: 15 in / 38 cm
  • Volume: 390 cu. in / 6.4 liters
  • Materials: Ultralight 20D silicone / polyurethane-coated Cordura® nylon