Sea To Summit Ultra-Sil Compression Dry Sack

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  • Regular price $54.90
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When you need to compress your gear down to a third without adding weight, Ultra-Sil® Compression Sacks are the perfect choice. With seven sizes to choose from, there’s a sack ideal for compressing everything from ultra-light down jackets through to synthetic sleeping bags.


  • Seven sizes, to fit anything from a down jacket to a synthetic sleeping bag
  • Reinforced stress points
  • Flip-top lid design prevents strap tangles
  • 30D diamond ripstop siliconised Cordura® body
  • Four straps for even compression
  • Pull handle on the bottom
  • Slippery finish for easy packing
  • Super lightweight


Size Base x Height Weight Compression
XXX Small ø11 x 23cm 32g 2.5 to 1Ls
XX Small ø13 x 25cm 38g 3.3 to 1.3Ls
X Small ø15 x 34cm 58g 6 to 2Ls
Small ø18 x 40cm 66g 10 to 3.3Ls
Medium ø20 x 46cm 78g 14 to 4.5Ls
Large ø23 x 50cm 94g 20 to 6.5Ls
X Large ø27 x 58cm 108g 30 to 10Ls