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Item # STSGG207M

Sea to Summit Ultra-Sil Compression Sack (2023)

Purchase Ultra-Sil Compression Sack (2023)
Starting At: $34.95

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The Sea To Summit Ultra-Sil Compression Sack is a weight-saving and space-saving way for backpackers to get their sleeping bag and clothes packed down as small as possible and still ensure protection from wear and tear.


  • The sack compresses contents by as much as two thirds
  • Water-resistant bluesign-approved Ultra-Sil 30D nylon fabric has a non-PFC DWR finish
  • Side-release buckle compression straps provide fast-and-easy access
  • Attached flip-top lid prevents strap tangling

Technical Specs

Item Weight
5L: 2 oz
8L: 2.3 oz
13L: 2.8 oz
20L: 3.3 oz
35L: 3.8 oz
Item Dimensions
5L: 6" x 14"
8L: 7" x 16"
13L: 8" x 18"
20L: 9" x 20"
35L: 10.5" x 23"
Limited Lifetime
Waterproof compression sack
Available sizes: 5L, 8L, 13L, 20L, 35L
bluesign approved Ultra-Sil 30D nylon with non-PFC DWR

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