Description Since 1968, CALVIN KLEIN has been perfecting and experimenting with the timeless styles of formal wear. Modern, and sophisticated yet classic, these are the characteristics of the boys' Calvin Klein collection. The timeless tailored styling of boys’ formal clothes is ideal for all your special occasions. Browse the variety of classic fit, slim fit, and modern fit shirts, pants and blazers for boys. Express your individuality with the contemporary and timeless pieces from CALVIN KLEIN.