Sea to Summit Ultra-Sil Dry Sacks are more than 50% lighter than our super popular Lightweight 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. A Backpacker magazine Editors’ Choice Award Winner!

Product Features

• Super compact and ultra lightweight
• Made of Ultra-Sil nylon, a polyurethane coated siliconized Cordura for ultimate waterproofing and maximum durability
• Non-wicking Hypalon roll top closure with stiffener at the top for a better seal
• Soft and flexible with a slippery finish for easy packing
• Translucent fabric allows good visibility of the contents