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 Calvin Klein collection for boys' Shirts, suits, tuxedos and dress pants. The timeless tailored styling of kids formal wear is ideal for all your special occasions. Browse a variety of classic fit, slim fit, and modern fit shirts, pants and blazers. Express your individuality with the contemporary and timeless pieces from Calvin Klein.