22â Jumbo Duffel Black. This black 'U' zipper duffel has six compartments to separate your possessions, and features an additional two side zipper pockets and detachable leather shoulder strap with a non-slip pad. It also has inside zip pockets and exterior zip pockets. Made of top-grain cowhide leather, it's fully lined for weatherproofing and has four corner feet to protect the bottom from moisture.