Large Extreme Pak Invisible&trade; Pattern Camouflage Backpack Heavy duty adventures require heavy duty materials. The Extreme Pak Invisible Pattern Camouflage Water-Resistant, Heavy-Duty, Mountaineers Backpack excels at every task A climbing backpack fit for summiting all of your traverses, youll find the adjustable straps are just where you need them for comfortable carry The zippered closure pockets of this bag ensure everything you need is secure, protected, and ready at a moments notice Measures 13" x 34" x 7-1/2"