The increasingly tight competition in the fashion industry is a challenge to provide more choices for consumers in marketing Muslim Abaya clothing. They can choose various styles of clothing, both traditionally and online. Fashion business actors need to create the right marketing policies in order to survive in a competitive climate. Factors such as product quality, e-commerce, brand image, and price influence purchasing decisions. This study aims to analyze the influence of these factors on purchasing decisions with purchase interest as an intervening variable on customers of Rumah Busana Al-Khatib Collection in Bangil City. The research method used is a quantitative approach. The population in this study were all buyers of Abaya Al-Khatib Collection products whose number was unknown. The sample was determined using a purposive sampling technique and calculated using the Lemeshow formula to obtain 100 respondents. Data were collected through a questionnaire measured using a Likert scale. The data analysis technique in this study used Structural Equation Modeling (SEM) based on variance with the Partial Least Square (PLS) method which was analyzed using the SmartPLS application. The results of the study showed that product quality (t = 2.944; p = 0.0003), e-commerce (t = 3.381; p = 0.001), and brand image (t = 3.040; p = 0.002) have a positive and significant effect on purchasing decisions, while price (t = 1.815; p = 0.070) is not significant. Purchase intention has a significant direct effect on purchasing decisions (t = 14.063; p = 0.001). The implications of this study provide insight for Al-Khatib Collection business owners in formulating more effective marketing strategies to increase competitiveness and customer satisfaction.