This introductory chapter provides an overview of the book Sustainable Textile and Apparel Chain Management: Towards the UN Sustainable Development Goals. It outlines the book’s structure and highlights the key topics covered in each of the chapters, which address various aspects of sustainability in the textile and apparel value chain. This chapter emphasizes the industry’s significant environmental and social impacts and the need to align it with the UN’s Sustainable Development Goals, particularly responsible production and consumption (SDG 12), climate action (SDG 13), and economic growth (SDG 8). By presenting a holistic approach to sustainability, the chapter sets the stage for an in-depth exploration of strategies, challenges, and opportunities for the textile and apparel industry to contribute to a more sustainable future.