In the age of ultra-lightweight everything they have developed a range of ultra-lightweight dry sacks to save those crucial few grams. Using a 15 denier Sil/PU nylon fabric we call Ultra-Sil Nano, a lightweight side release buckle and a thinner roll top closure Sea to Summit have created a dry sack that is 30% lighter than their standard 30 D Ultra-Sil Dry Sacks!
Ultra-Sil Nano 15 D nylon fabric for advanced strength to weight performance
Ultra-Sil Nano has a 1,200mm waterhead
Fully seam-sealed for maximum water-proofness
Reinforced stitching for greater seam strength on all stress points
Hypalon roll top closure does not wick moisture