A new study has uncovered fascinating insights into how our personal identity and social influences shape our decisions to purchase sustainable clothing. The research, led by a team of psychologists, reveals that the strength of our environmental self-identity can significantly affect the way various factors, like emotions, social norms, and moral beliefs, influence our intentions and actual behaviors when it comes to buying eco-friendly, second-hand, and high-quality apparel. These findings provide valuable guidance for developing more effective strategies to promote sustainable fashion consumption.

The Power of Eco-Friendly Self-Identity
Our personal identity, or how we see ourselves, is a powerful force that shapes our decisions and actions. When it comes to sustainable fashion, the researchers found that an individual’s proenvironmental self-identity – the extent to which someone sees themselves as an environmentally-conscious person – can significantly influence their clothing purchasing behavior.
Interestingly, the study revealed that the strength of one’s proenvironmental self-identity can either amplify or diminish the impact of various psychological and social factors on sustainable clothing choices. For example, women with a weak eco-friendly self-identity were more likely to intend to buy sustainable clothing when they had a strong positive emotional reaction to it, but a weaker rational evaluation. In contrast, women with a strong proenvironmental self-identity were more motivated to purchase sustainable clothing when they had a strong cognitive understanding of its benefits, rather than just positive feelings about it.
The Role of Social Norms and Moral Beliefs
The researchers also explored the influence of social norms and moral beliefs on sustainable fashion consumption. They found that both descriptive norms (perceptions of what others do) and injunctive norms (perceptions of what others approve of) played a significant role in shaping consumers’ intentions to buy sustainable clothing.
Interestingly, the impact of these social norms was moderated by the individual’s proenvironmental self-identity. For women with a weak eco-friendly self-identity, the influence of descriptive norms was stronger – they were more likely to intend to buy sustainable clothing if they perceived that their friends and family were doing so. But for women with a strong proenvironmental self-identity, this descriptive norm effect was weaker, suggesting that their sustainable clothing choices were less dependent on the actions of others.
The study also found that moral norms – the personal sense of ethical obligation to protect the environment – were a key driver of sustainable clothing intentions, but only for women with a strong proenvironmental self-identity. This indicates that for these individuals, their sustainable fashion choices were closely tied to their personal values and principles.

Bridging the Intention-Behavior Gap
One intriguing finding from the study was the disconnect between consumers’ intentions to buy sustainable clothing and their actual purchasing behaviors. The researchers found that past sustainable clothing purchases were a stronger predictor of future behaviors than expressed intentions. This suggests that habit and past experience may be more important than stated goals when it comes to translating sustainability aspirations into real-world actions.
Notably, this relationship between past and future sustainable clothing purchases was stronger for individuals with a weaker proenvironmental self-identity. The researchers propose that this could be due to a “self-licensing” effect, where people with a less-developed eco-friendly self-concept feel they’ve already done enough to be environmentally responsible and thus can justify future less-sustainable choices.
Implications for Promoting Sustainable Fashion
The findings from this study offer valuable insights for brands, policymakers, and sustainability advocates seeking to encourage more widespread adoption of sustainable fashion practices. Some key implications include:
– Appealing to both emotional and rational factors: Crafting marketing messages that evoke positive feelings about sustainable clothing, while also highlighting its tangible environmental benefits, may be more effective than focusing solely on one or the other.
– Leveraging social norms: Campaigns that showcase the sustainable clothing choices of influential figures and community members could help shift perceptions of what’s “normal” and desirable.
– Reinforcing moral beliefs: Emphasizing the ethical imperative to reduce the fashion industry’s environmental impact may resonate strongly with consumers who already see themselves as environmentally-conscious.
– Addressing the intention-behavior gap: Strategies that help consumers turn their sustainable clothing intentions into lasting habits, such as reward programs or defaults that make eco-friendly choices the easy option, could be particularly impactful.
Overall, this research underscores the complex interplay between personal identity, social influences, and environmental values in shaping sustainable fashion consumption. By understanding these dynamics, we can work towards a future where dressing sustainably is the norm, not the exception.
Author credit: This article is based on research by Valentina Carfora, Giulia Buscicchio, Patrizia Catellani.
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