Modest Clothing for Travel

In most of the world, women wear trousers, and often skirts which cover their legs, loose shirts which cover their shoulders, arms, collarbones and rears, and scarves or hats to cover their heads. My experiences have been enhanced by wearing a Western take on this code outside first world countries. I think taking a stretchy skirt which can be midi, maxi or beach dress, as well as a loose, long sleeve blouse  and a scarf is the ideal solution.