This mens formal white poplin shirt is designed with single cuffs and a cutaway collar also known as the windsor collar the windsor collar was specifically designed by hawes curtis to accommodate the duke of windsors tiesr r it is made from the finest 2 ply 100s cotton which has been perfected with a unique silk touch finish that makes the shirt easier to iron the extra slim fit is our most contemporary fitted shirt it is very closely cut to the body creating a streamlined silhouette