The duster coats look very elegant if they're styled properly. If you don't know how to dress up in a duster coat, I am going to leave a few tips. Duster Coats are normally in dark colors as they are worn as protective attire. Wearing something vibrant under a dark coat will look childish and improper. Men's black duster coat can be worn with a brown vest inside and dark-toned jeans. The color of the shoes must also be black or brown. Since they came into existence, they never went out of style.