For the Gion Matsuri festival in Japan, people often dress in traditional kimono or yukata. Participants wear these ornate garments adorned with intricate designs that reflect various themes and the season. The choice of clothing is a key aspect of the festival, emphasizing cultural heritage and honoring traditions. Additionally, vibrant hanagasa (flower hats) and elaborate accessories may accompany the attire, enhancing the festive atmosphere as participants parade through the streets.