In this 2020s century, sustainable consumption has become a widespread trend all over the start from the western side to eastern side of the world. This interest derived from the impact of greenhouse effect which is one of the causes leading to the climate change phenomenon regularly occurred nowadays as seen in everyday life. One of the the largest industry causes the environmental decline is clothing industry as it emissive substance and produce a lot of waste which leads to the environmental pollution. Therefore, this study aims to examine consumers perceptions toward sustainable purchasing behaviour in clothing industry and how does intra-personal self-awareness affect PESI in specific of clothing industry. The finding shows that there are of intra-personal self-awareness positive effects to PESI except biospheric value, and PESI also have a positive relationship with purchasing behaviour. . Implications are elaborated in the discussion section.

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