- Interior: 17.8" 10.2" 6.2"
- Automatic Purge Valve - Keeps water and dust out while balancing air pressure
- Super-light proprietary HPX Polymer
- Business card holder
- At just 7/16 inch (1.1 cm) thick these rigid panels form a precise grid of protection without wasting any space. The panels are held firmly in place with steel U-pins, which means you can reconfigure your TrekPak system- even in the field.