The new Sea to Summit Ultra-Sil® Dry Sacks are more than 50% lighter than the super popular Dry Sacks. They’re made of Siliconized Cordura, which is one of the lightest and toughest waterproof nylon fabrics available. Now you don’t have to choose between keeping your gear dry and keeping it light. 2 Liter, 4 Liter, 8 Liter, 13 Liter, 20 Liter
