The importance of sustainability is dramatically devoted in fashion industry because the fashion cycle period has been accelerated by fast trend changes. In the past 10 years, fashion companies were trying to meet consumer demands by mass production and quick response. However, due to the low price, consumers are taking low value to products which lead to tremendous amount of clothing waste. This fashion market movement caused social, environmental and economic issues. Therefore, we need to seek for apposite solutions by researchers and practitioners. The traditional educational efforts and approach did not apply to transformative action (Frisk, Larson, 2011). In order to diffuse sustainable knowledge and promote the sustainable behavior, a proper education system has to be developed. According to our pilot study, it shows that the respondents do not have basic knowledge of sustainability or they know the sustainability but it does neither directly nor indirectly impacts to consumer purchase intention and action. A method of this study is focusing on age group 20’s to 30’s because these age groups are the main consumers for the mass production fashion goods and received sustainable education in traditional academic institutions. This study tested a method that can fill the gap between attitude and action by classifying various types of knowledge and find out which knowledge type is the most applicable for fashion industry. The purpose of this study is to provide efficient ways and types to deliver sustainable knowledge which academic institutions and companies can apply. This study presents the results of the role of knowledge in attitude and purchase decision-making in sustainable fashion. Sustainability knowledge captures a broad scope that covers environmental, social and economic perspectives, but with regards to the fashion industry, environmental concern is focused the most. The study results reflects that the proper way of educating potential and existing fashion consumer will help the academic institution and fashion companies to reallocate their sustainable strategy to all three scopes of sustainability (Miller et al., 2011). More of academic institutions and fashion companies are participating to sustainable issues; it will raise the sustainable awareness, which will leads to diffusion of sustainable knowledge and green fashion trends.

• Hyun Min Kong(Yonsei University)
• Heeju Chae(Yonsei University)
• Eunju Ko(Yonsei University) Corresponding author
• Ralf Schellhase(University of Applied Sciences)