This report provides a critical analysis of the circular economy model within the Ready-Made Garments (RMG) industry, focusing on the marketing and management strategies of leading brands. It begins by defining the circular economy and its relevance to sustainability, then examines how companies like Adidas, Nike, and Asos implement circular practices in their manufacturing processes. The report analyzes the resources used, how they are managed, and the sustainability of these inputs. It also explores how these brands approach value creation, delivery, and capture within a circular framework. By comparing the strategies of the chosen brands, the report highlights the importance of integrating sustainable practices into marketing and management to achieve environmental and economic benefits. The analysis includes an examination of the companies’ approaches to waste reduction, resource management, and their overall impact on sustainability, concluding with a discussion of value dimensions and future prospects within the circular economy model.