There's a reason fitness-minded guys love a knit polo: it's universally ... which makes the whole shirt hang elegantly, without the creases or bunching of cotton. Not to mention that quality ...

Daniel Craig sported the Sunspel's Riviera Polo Shirt, crafted from 100% Supima cotton, to sip his shaken-not-stirred martini in 2006's “Casino Royale.” “Need I say more?” says Kahane.

Casual shirts for women are necessary for easy style and adaptability. Every item, from the breezy U.S. Polo Association Cotton Shirt to the contemporary MANGO Longline Shirt, has special qualities.