The Filson Ripstop Nylon Travel Pack is Built with tough 500D Cordura? ripstop nylon, the hanging Ripstop Nylon Travel Pack will keep yFilson’s travel essentials secure and organized. With a design that opens fully with a YKK? AquaGuard? zipper on three sides, contents are easy to access, with interior zippered mesh pockets and elastic loops to keep contents secure. Webbing grab-handle and hanging loop with buckle. Exterior zippered pocket.