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Sea to Summit Ultra-Sil Compression Waterproof Dry Sack

Sea to Summit

Regular price $31.00

Tax included.

Squash your gear down to one third the volume and keep it dry with the Sea to Summit Ultra-Sil Compression Dry Sack. eVent® fabric is totally waterproof and highly breathable (you can feel the air coming out). This allows you to compress the air out without allowing water in. 


  • Air compresses out, water cannot get in
  • Compact and lightweight - 40% lighter than the 70 Denier Compression Dry Sack
  • Ultra-Sil 30 Denier siliconised high-tenacity Cordura Nylon fabric for exceptional strength
  • Waterproof and air permeable eVent® fabric base
  • Waterproof seams, double stitched and fully tape sealed
  • 20,000mm waterhead, lightweight durable Nylon fabric
  • Hypalon® roll top closure does not wick moisture
  • Reinforced stitching on all stress points
  • Air compresses out, water cannot get in

Sizing and Specifications

Size Base x Height (cms) Weight (gms) Compression
XX Small 13 x 25 50 g 3.3 to 1.3 Litres
X Small 15 x 35 56 g 6 to 2 Litres
Small 18 x 40 75 g 10 to 3.3 Litres
Medium 20 x 46 90 g 14 to 4.5 Litres
Large 23 x 50 100 g 20 to 6.7 Litres