Nike Gym Club Duffel Bag (24L) Whatever your fitness goal is, let this duffel bag be your companion. Simple and sleek, the Nike Gym Club Duffel has the space to hold all the essentials without the bulkiness of a regular duffel. The double zip main compartment has the space for shoes, clothes or other necessities, while the zippered front pocket keeps your small stuff organized. Whether carrying it with the removable and adjustable shoulder strap or its handles, this bag is an easy-to-grab essential.