[6] Polo necks also became a big fashion for wealthy young men after they were worn by European film stars Marcello Mastroianni and Yves Montand.
Vladimir Putin[8] of Russia, Andreas Papandreou[9] of Greece, and Emmanuel Macron[10] of France are examples of European leaders who are fond of wearing polo necks.
[11] Their adoption by Noël Coward in the 1920s turned polo necks into a brief middle-class fashion trend, and feminists made them into a unisex item.
Absorbed into mainstream American fashion by the mid 20th century, the polo neck came to be viewed as an anti-tie, a smart form of dress for those who rejected formal wear.
[12] Disgraced Theranos founder Elizabeth Holmes deliberately copied Steve Jobs' style in wearing a black polo neck.
Very elegant polo necks of silk or nylon knit, especially made with French cuffs for formal dress affairs, have also seen success in American fashion.