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Sea To Summit
Ultra-Sil Nano 1-35L Dry Sack

4 out of 5 stars
1 Review
$16.95 - $32.95



Ultra-Sil Nano Dry Sack

Keep your on-trail, on-deck, and on-board wares protected from the elements with the Sea to Summit Ultra-Sil Nano Dry Sack. Weighing scantly an ounce, this waterproof barrier might be silly light, but when it comes to repelling water and standing up to Mother Nature's wrath, it's über-serious.


  • Lightweight, durable nano sil nylon keeps your items bone dry without weighing your pack down
  • Hypalon waterproof roll-top closure seals out moisture for worry-free traveling and trekking
  • Fully taped seams prevent water from sneaking in through the fabric joints
  • A variety of size options let you dial in the perfect fit for the gear you want to quarantine
  • Only intended for use inside a pack or bag; not designed for paddlesports
  • Item #STS0120
15D Ultra-Sil Nano nylon
1L (61cu in), 2L (122cu in), 4L (244cu in), 8L (488cu in), 13L (793cu in), 20L (1220cu in), 35L (2136cu in)
yes, fully taped seams
Hypalon waterproof roll-top
[1L] 9.4 x 5.1 x 3in, [2L] 11.2 x 5.9 x 3.7in, [4L] 13 x 6.7 x 4.4in, [8L] 18.5 x 7.9 x 5.9in, [13L] 20.5 x 8.9 x 6.5in, [20L] 24.8 x 10.2 x 7.9in, [35L] 27.6 x 12.2 x 9.8in
Claimed Weight
[1 L] 0.5oz, [2 L] 0.6oz, [4 L] 0.7oz, [8 L] 0.8oz, [13 L] 1oz, [20 L] 1.3oz, [35 L] 1.6oz
Manufacturer Warranty