The Trek Pro Dry Set comprises soft and pliable bags. Perfect for any multiday adventure. They are made from a lightweight, 40D waterproof and durable nylon fabric with a polyurethane coating. Designed with non-wicking roll-top closure and features a speed web opening for quick and easy access. Ideal for backpacking, cycle touring, traveling, ski touring and more. The Trek Pro Dry Bags are made with smart solutions and practical features to ensure easy access to your essentials.