Book excerpt: How does a style become a fashion? Why do trends spread and decline? Introducing Fashion Theory explores these questions and more to help you quickly get up-to-speed with fashion theories, from scarcity to conformity, through clear practical examples and fascinating case studies. This second edition, re-titled from Key Concepts for the Fashion Industry, includes expanded coverage on cultural appropriation, corporate greenwashing, and the criminal world of counterfeit goods. - Illustrated examples, from Apple's post-postmodernist iWatch to Savage X Fenty's body image message on diversity - Covers core fashion theories, from trickle-down to trickle-up, to political dress and conspicuous consumption - Filled with learning activities, key terms, chapter summaries, and discussion questions to inspire and inform