The fashion industry is undergoing significant change driven by digitalization, sustainability concerns, shifting consumer expectations, and regulatory pressures. Fashion Industry – Advancements in Product Development, Retail, and Marketing presents an integrated overview of how these forces are reshaping fashion design, supply chains, retail practices, and marketing strategies. The book addresses key themes, including sustainable product development, eco-design, circular-economy perspectives, digital retailing, online and offline consumer behavior, and data-driven marketing. By highlighting the interconnections between innovation, responsibility, and consumer engagement, this volume offers valuable insights into the challenges and opportunities facing contemporary fashion systems. Its main strength lies in bringing together product development, retail, and marketing perspectives within a single framework, making it a useful reference for researchers, practitioners, policymakers, and advanced students interested in current trends and future directions in the global fashion industry.