Ultralight waterproof compression sack
The Ultra-Sil Compression Dry Sack from Sea To Summit is a waterproof, roll top closure compression dry bag made of 30D Ultra-Sil®.
• Hypalon® closure does not wick moisture
• Reinforced stitching on all stress points
• Air compresses out, water can’t get in
• Roughly half the weight of the original Compression Dry Sack













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