Levi Strauss & Company, the world’s largest apparel manufacturer, famous around the world for its Levi’s jeans and other Western gear, registered increases in sales. As baby boomers gained weight, sales of blue jeans slipped, while those of Levi Strauss Dockers and other loose, casual pants cut for more mature silhouettes zipped upward. Jeans are very popular among young men in college campuses and it is becoming even more popular …