Yes, it is perfectly acceptable and very common to wear flip-flops in shopping malls in 2026, especially in warm-weather regions or coastal cities. In most Western and Asian cultures, malls are considered casual public spaces where comfort is prioritized. However, there are two practical things to consider: first, malls often involve a significant amount of walking on hard surfaces, and standard flip-flops provide very little arch support, which can lead to foot fatigue. Second, malls are heavily air-conditioned; while it might be 30°C outside, the "indoor winter" of the mall might make your feet uncomfortably cold after an hour of browsing. While you won't be turned away from any standard retail store for wearing them, if you plan on dining at a high-end "fine dining" restaurant within the mall complex, you may want to check if they have a slightly more formal dress code that discourages beachwear.