1. Introduction
The mass production in the clothing industry is increasingly focused on the take–make–waste approach [
1]. This industry is causing severe damage to the global environment [
2]. Natural resource scarcity, environmental degradation, deforestation, greenhouse gas emissions, and ozone layer degradation are among the negative consequences; distribution and manufacturing contribute to pollution, chemical wastes, and hazards, among other sequelae [
3]. Products are often dismissively discarded, even though they can be reused [
1]. However, the textile industry is continuously evolving, and circular fashion has emerged as one possible solution to these issues, consisting of recycling and reusing textiles, among others [
4].
The global distress concerning these detrimental environmental shifts has been reflected through studies exploring people’s knowledge and attitudes concerning environmental consciousness, the value of environmental preservation, and the purchase of environmentally sustainable products [
5,
6,
7]. Consumers are steadily becoming much more environmentally conscious after realizing the seriousness of environmental problems and the need to diminish the impact of human behavior and consumption on the ecosystem [
8]. In a related manner, consumers have a growing demand for sustainable clothing [
9]. Environmental concerns, knowledge of potential benefits [
10,
11,
12,
13,
14,
15], and attitudes towards sustainable products can influence a consumer’s purchase intention; however, previous studies point out that there are limits to the extent to which consumers are willing to sacrifice for the sake of an environmental cause [
6,
16]. Consumer acts are not necessarily about their values or attitudes, which can make it difficult to predict purchase intention for green products in a developing economy [
17,
18,
19]. Along with a lack of a holistic framework, further research and insight into salient factors affecting sustainable products in the textile industry are required [
8,
20]. The present study can contribute to the decision making of corporate entities to increase the intention and action of sustainable purchasing by consumers.
The research gap concerns the effects of variables to explain purchase behavior in pandemic times. People’s perception has changed due to the pandemic, generating a change in priorities [
21,
22,
23] and a greater appreciation of social and environmental issues [
24,
25]. However, it is possible that there is a change in environmental concern, environmental attitude, as well as purchase intention due to the pandemic, so the scientific literature will benefit from understanding the effects of these variables on sustainable clothing purchasing behavior. It is considered that resilience based on environmental sustainability will give rise to increasingly ecological offers, for which it is important to understand if the relationship is fulfilled and to what extent.
This research aims to elucidate how and why an Ecuadorian consumer is more inclined to purchase sustainable clothing. Furthermore, the environmental–attitude–intention–behavior framework offers a thorough evaluation of the public, including their interests, attitudes, and values, to address their evolving behavior choices in Ecuador.
The structure of the present article is as follows. The conceptual framework and characterization of the components included in our framework model are discussed in
Section 2. Additionally, previous studies on these linkages are identified, and the present gaps in knowledge are determined. The conceptual approach used to gather and evaluate the data is described in
Section 3. The results and findings are presented in
Section 4. Finally,
Section 5 deals with the study’s theoretical, practical, and empirical research constraints.
5. Discussion
The results show various items that have a factorial load greater than 0.7, which contribute to the measurement of each variable. In the case of perceived environmental knowledge, living sustainably is an important element to subsequently generate the intention and behavior of purchasing sustainable clothing, as previously described by Lin and Chen [
76]. The item “I know how I could lower the ecological harm with my behavior” also proved to be relevant within the model, which recognizes that the person feels that he or she can be the protagonist with his or her behavior of harm to the environment, as described by Leclercq. On the other hand, the items “I understand how I could reduce the negative environmental consequences of my behavior” and “I understand how to protect the environment in the long term” represent the understanding that the person is able to contribute to the reduction in negative effects on the environment, as described by Blerly et al. [
77].
The items linked to environmental concern, which were “I am concerned about the environmental development”, “I am concerned about the long-term consequences of unsustainable behavior”, “I often think about the potential negative development of the environmental situation”, and “I am concerned that humanity will cause lasting damage to the environment also had high values”, show that there is a real consumer concern regarding environmental development, the long-term consequences of unsustainable behavior, the potential negative development, and the damage that humanity can cause to the environment, as was described by Rausch and Kopplin [
20] and Park and Lin [
67].
The items pertaining to attitude towards sustainable clothing, “Generally, I have a favorable attitude towards the sustainable version of clothes”, “I am positive-minded towards buying secondhand clothes”, and “I like the idea of buying sustainable clothes instead of conventional clothes to contribute to environmental protection”, had high values in factor analysis, as described by Jung et al. [
78]. With respect to subjective norms, good values for the items “My friends expect me to buy sustainable clothes”, “My family expects me to buy sustainable clothes”, and “People who are important to me expect me to buy sustainable clothes” are similar to those reported by Kumar et al. [
79].
As it was evaluated, adding predictors such as environmental concern and perceived environmental knowledge to the TRA model demonstrated the extent to which consumers are concerned about their environmental impact, leading to the adoption of sustainable purchase habits [
47,
48]. According to previous studies, consumers with significant environmental concerns were more likely to take action to reduce their ecological footprint [
17,
47]. In response, individuals are more likely to consume sustainable products consistent with and parallel to the theoretical basis from previous sources [
19]. Our outcomes led us to verify the perceived environmental knowledge as a factor involved in consumer behavior, attitude, and purchase intent, through which a higher perception of current environmental threats and climate change propitiated by human consumption and the respective pressure exerted on the planet can influence the adoption of responsible consumption, as well as “green” purchase behavior [
5,
6,
16,
47].
The present study, carried out in Ecuador, demonstrated that attitude and PI are correlated, but attitude growth leads to an increase in PEK, EC, and PB. The findings further highlight similar results as past studies [
19,
33,
54]; thus, the previous hypotheses are further supported. After testing the hypotheses and the effect of sample size, it was concluded that the design of the Theory of Planned Behavior in Ecuador demonstrated a positive relationship between the variables, including PEK with ATT, EC with ATT, ATT with PI, and attitude as a mediator between those variables. A positive attitude having an impact on the other variables incrementally translates into the purchase intention and behavior being inclined towards sustainability. A striking finding is that consumers consider that others, including family, expect them to purchase sustainable products, affirming that, in terms of clothing, there are now sustainable options over conventional, and ideas that their decisions contribute to environmental protection.
6. Conclusions
Consumers are astute and are increasingly becoming more aware of alternative products considered more environmentally friendly than conventional goods. This “green” consumer awareness is spreading worldwide, and the population is starting to adopt pro-environmental behaviors such as sustainable clothing consumption. In this study, purchase intention was indeed influenced by environmental concern and perceived environmental knowledge. Environmental attitude was the mediator in this relationship since the evaluation made by consumers is based on the two variables mentioned above. Subjective norms have a small effect on purchase intention but are still present. Extending the Theory of Reasoned Action allowed an enhanced understanding of Ecuadorian consumer reality. Finally, attitude is the most critical factor that determines the purchase intention of sustainable clothing, which was corroborated through the PLS-SEM method and IMPA.
6.1. Theoretical Implications
This study has made it possible to substantiate that knowledge is a factor that influences attitude, which demonstrates that generating training and disseminating information can change the attitude of the potential buyer in the future. On the other hand, it has also been shown that environmental concern has an effect on attitude. Subsequently, based on the TPB, the attitude has a known influence on the purchase intention as well as the subjective norm. It is necessary to highlight that there is little evidence of these relationships between variables to explain the intention to purchase sustainable clothing in emerging countries, so it will be useful for comparisons with consumers in other regions.
As previously suggested, “green” purchasing behavior refers to the direct consumption of goods with a reduced environmental impact [
38]. Environmental awareness and attitudes influence green purchasing decisions; furthermore, assessing how environmental concern and subjective norms shape “green” purchase behavior and purchase intention has been studied [
6,
48]. The modest beta correlation between subjective norms and purchase intention supports the prior literature findings [
20,
52].
Lastly, it is pertinent to emphasize how individuals assess their perceptions of sustainable clothes via PEK and EC, with attitude having a highly impactful role in this mental process [
20]. Interestingly, the indirect influence of environmental knowledge on purchase intention enabled through attitude proved to be closely related [
8,
18], which can be attributed to the previously established influence of perceived environmental knowledge over attitude regarding sustainable products and “green” purchase behavior [
16]. As mentioned above, individuals with environmental concerns are more likely to develop a favorable attitude toward the environment and ultimately assume a purchasing behavior for sustainable products [
19,
36].
6.2. Industrial Implications
Companies must increasingly adapt their processes and machinery to what is known as Industry 4.0, where inputs are used efficiently, based on clean processes and sustainable raw materials. Companies will be able to adapt gradually, changing some specific processes and then gradually implementing the change in an extended way in the other processes. Policy makers should use these results to ensure that national regulations need to promote the manufacture, sale, and export of sustainable clothing. Evaluating the responses aims to identify consumer behavior to recognize attitude change and provide information that other researchers and industry participants can use to better understand consumer choices (i.e., organic foods, traditional herbal medicines, and nutraceuticals). Clothing producers can use the information obtained from the findings to optimize and communicate their sustainable practices and consider the importance given to aspects such as the increased search for sustainable solutions, and, therefore, the increased care for the environment and the social responsibility which can be imparted.
6.3. Limitations and Future Research
This research presents some limitations regarding its generalizability. Firstly, collecting a more significant number of responses from demographic groups of other ages and backgrounds is recommended, strengthening and deepening the investigation of other cohorts of the population. Secondly, the Theory of Reasoned Action was applied but can be adapted and segued into the Theory of Planned Behavior by adding new constructs, including perceived behavioral control. Limitations also include the lack of specifications in the items about the type of clothing. The collection of data was during the COVID-19 pandemic, so a post-pandemic evaluation of consumers during less turbulent times is needed.
For future research, it will be interesting collect and collate data after the pandemic and compare those outcomes against current outcomes. This study primarily focused on concerns and awareness of current environmental issues from consumers’ perspectives, such as natural disasters, warfare, recessions, and additional pandemics. Nonetheless, other variables may influence attitudes towards sustainable clothing consumption, such as greenwashing, which is when companies attempt to conceal the possible negative impacts of their environmental operations [
20]. Furthermore, additional variables can be assessed to evaluate their impact within the model, including social influence and word of mouth.