If you like to pack likely but still want to look your best, get a Cotopaxi Men's Cambio Button Up Shirt. This breathable, lightweight shirt is anti-static and treated with an anti-odor finish. Its simple yet stylish design makes it a versatile option. You can easily go from a casual day in shorts to dress pants in the evening. This button-up shirt has one chest pocket that can accommodate a passport. You also get to cater to your environmentally friendly side since the shirt is made with 86% recycled polyester.