The trend of online shopping among Generation Z is getting higher. Generation Z is a generation that has mastered various technologies, social media, and online shopping platforms. This encourages Generation Z to behave consumptively with transaction conveniences in different online shopping platforms, especially e-commerce. This study aims to determine the mediating effect of a hedonic lifestyle on the relationship between self-esteem, self-control, peer environment, and consumptive behavior. The research method used purposive sampling with a total sample of 203 respondents. The results showed that self-esteem and peer environment positively affected the hedonic lifestyle, while self-control did not affect the hedonic lifestyle. A hedonic lifestyle has a positive effect on consumptive behavior. Self-esteem and peer environment do not affect consumptive behavior. Self-control has a negative effect on consumptive behavior. As for the mediating effect, it shows that a hedonic lifestyle can mediate the influence of self-esteem and peer environment on consumptive behavior. However, a hedonic lifestyle is not able to mediate the effect of self-control on consumptive behavior.