Casual clothing is common in Japan outside of Tokyo's business district. Shorts, jeans, and camisoles are perfectly fine to wear as long as you don't plan on attending religious sites.
People Also Ask
Avoid things like tank tops, shorts, and mini-skirts. Opting for more conservative clothing is always a safe bet even if you don't plan to visit temples or shrines. It's also generally frowned upon for women to show cleavage. Clothing with offensive messages or designs.
In conclusion, leggings can be worn in Japan, but it is important to keep in mind the cultural norms and etiquettes. When wearing leggings in Japan, it is recommended to pair them with a long top or tunic and avoid wearing them to formal events or religious sites.
If you are not wearing socks, it is polite to bring a fresh pair of socks to wear after removing your outdoor shoes because entering someone's house barefoot is not considered well mannered, although acceptable in informal situations. Slippers can generally be worn anywhere except when entering rooms with tatami floor.
Try to be mindful of the type of shoes you're wearing, as certain shoes, such as sandals, might not be allowed in some indoor spaces. If you're given slippers at the entrance to a building remember to wear them inside only! We know they're comfy but these aren't meant for sightseeing or as a souvenir!