Designed to keep small gear organized and accessible, the Outdoor Research Zip Sack makes it easy to grab a pair of socks or a warm hat without unloading your entire pack in the middle of the trail.
 
        
        
          Features
- Polyurethane-coated polyester and nylon stand up to frequent use, and water-repellent base and water-resistant zippers help fend off moisture
 - Well designed to the last detail, the Outdoor Research Zip Sack includes webbing handles on the ends for leverage when opening zippers