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Sea To Summit Ultra-Sil Dry Sacks (Past Season) Online now

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The new Sea To Summit Ultra-Sil® Dry Sacks are more than 50% lighter than our super popular 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!
  • Super compact and ultra lightweight
  • Made of Ultra-Silâ„¢ nylon, a polyurethane coated Siliconized Cordura® for ultimate waterproofing and maximum durability
  • Non-wicking Hypalon® roll top closure with stiffener at the top for a better seal
  • Soft and flexible with a slippery finish for easy packing
  • Nearly transparent allowing good visibility of the contents
  • All seams are double stitched and tape sealed
  • Smaller sizes have flat bottoms, others are round
  • Colors: kiwi green, sky blue and orange
    • Proper Use:

      • Any roll-top dry sack must be closed properly to ensure water can t get in. Begin by folding the Hypalonâ„¢ strip down first and be sure to have at least three rolls before closing the buckle.
      • Avoid contact with sharp objects or subjecting the sack to high abrasion, as this could compromise the waterproof fabric.
      • Ultra-Sil Dry Sacks should only be used to store sensitive electronic devices when used in conjunction with another, heavier-duty dry bag – the "double bag" method. For maximum protection of electronics the use of a waterproof hard case with a mechanical seal should be considered.
      • This product is not intended for boating or marine use.
        • Description

          Size (Dia. X Ht.)

          Weight

          Ultra-Sil® Dry Sack – 1 Liter

          6 flat x 9 inches

          .5 oz

          Ultra-Sil® Dry Sack – 2 Liter

          8 flat x 12 inches

          .7 oz

          Ultra-Sil® Dry Sack – 4 Liter

          9 flat x 15 inches

          .9 oz

          Ultra-Sil® Dry Sack – 8 Liter

          6.5 dia x 18 inches

          1.1 oz

          Ultra-Sil® Dry Sack – 13 Liter

          8.5 dia x 21 inches

          1.4 oz

          Ultra-Sil® Dry Sack – 20 Liter

          10 dia x 24 inches

          1.7 oz

          Ultra-Sil® Dry Sack – 35 Liter

          12 dia x 27 inches

          2.2 oz

          Color

          Orange, Blue, Green

          Size

          1 Liter, 2 Liters, 4 Liters, 8 Liters, 13 Liters, 20 Liters, 35 Liters