Whether youre taking your kit to training or the big game be sure to pick up this nike vapor max air 20 crossbody medium training duffel bag in black volt and metallic silvermade from polyester with a bottom coating of polyurethane this duffle bag provides spacious storage for all your essential kit with a waterproof bottom to protect your gear in wet changing rooms a large main interior and a separate compartment perfect for splitting up clean and dirty kita cross body curved max air