As a multi-trillion-dollar global market with one of the world’s most extensive supply chains, the fashion industry confronts unique challenges daily, driven by rapidly shifting trends, globalized sourcing networks, and evolving consumer expectations. To remain competitive, fashion retailers must consistently deliver high-quality products on time while maintaining cost efficiency. Within this landscape, the Ready-Made Garments (RMG) sector, characterized by its vast, intricate, and highly dynamic supply chain, depends increasingly on advanced tracking systems to address these logistical complexities. Through a comprehensive review of peer-reviewed literature, industry reports, and emerging technological trends, this study examines the prevailing supply chain tracking methods currently deployed in the fashion industry, including RFID, Data Matrix, GPS, and data analytics. Moreover, it explores the potential of real-time tracking technologies such as the Internet of Things (IoT) and blockchain, with a critical comparative cost analysis of these technologies to evaluate their practicality and scalability. The study concludes by outlining future strategic directions for the retail sector to integrate these advanced systems into existing supply chain infrastructures, aiming to enhance transparency, efficiency, and resilience across the global fashion ecosystem.