Maxpedition Gear Beefy Pocket Organizer by Maxpedition Fabric/Nylon Imported We finish our bags with a triple coat of polyurethane for water resistance and add a final coat of DuPont Teflon Fabric Protector to repel the elements. Only the best components and designs are used. We use complete YKK zippers and slides exclusively unlike our competitors who put YKK slides on generic zippers.