Then, there's U.S. coach Jurgen Klinsmann, a German who has turned California casual in his staple khakis and an untucked navy blue polo. He won't wear red, though nobody really knows why, and team officials have never seen him in a tie -- only a suit jacket when the occasion calls for him to go more formal.
Prandelli's Dolce&Gabbana dark suits are classic, with a small Italian flag badge on the pocket.
"They have dressed us since 2006, when we won the Cup," said Demetrio Albertini, the head of the Italian team's delegation in Brazil and a vice president of the Italian football federation. "It's a great Italian brand and we're honored to wear their suits."
Dolce&Gabbana published a book featuring photos of the Azzurri in formal and casual wear, in "a blend of tradition and national pride." Proceeds go to a charity to aid a small Brazilian fishing village outside Natal, where Italy plays its third Group D match against Uruguay.
Prandelli and Kovac are joined by German coach Joachim Loew on the World Cup's best-dressed list.
Loew wears a fitted dark button-up shirt with his sleeves rolled up and the top button undone, and gray slacks. The German federation has clothing contracts with Hugo Boss and Adidas, and Loew typically wears the Hugo Boss look for game days.
"It is very interesting to see the difference in styles between the more traditional and fashionable. To me the most evident was the more natural shoulder of the Europeans and the South Americans versus the traditional Americans," said Robert Nelson, Sales Director Brand Manager for the company Vince Camuto in New York.
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Collar width and the mixing of colors was the next call out. The fashion confident wore narrower lapels, some with narrow peak and paired with narrow shirt collars and narrow ties. Stronger colors like the deeper shades of blues and deeper shades of grey, give these colors a more modern feel."