The most recent fashion is to pass through the printed article through heating tunnels through a rotating clothes rack electric belt buckle. This means the ink would dry quickly, which would mean that the material can be packed and stacked directly. In any case, in case you print items need to become dried well so they last for longer. For darker items, ideally a proper supportive base print would serve the best. For lighter base colors, white is most wanted.
Kids under 12 usually don't have to use their shoes off nowadays. But that could changes from one airport to any other. For adults, slip-on shoes are good. You don't want to become untying and tying your laces in that , line. Women, if you don't like walking barefoot in airports, you really should wear socks, although Particular socks and Prada pumps are not going to land that you Vogue photo shoot. Then again, neither is ringworm!
Benvenuto!
