CoolMax performance fabric backing is lightweight, washable, ultra absorbent against perspiration and dries incredibly fast. Features 4 compartments; 1 for currency/airline ticket, 1 passport pocket, 1 for credit cards and a specially designed pen holder. Convenient velcro closure for main compartment. Durable, lightweight, rip-stop nylon with urethane coating to protect papers from moisture. Adjustable neck cord with spring loaded clip. Washable. CoolMax is a registered trademark of the DuPont® Company.