Any slip-on shoes are ok, even Crocs (no, really). Anything that's easy to slip on. A comfortable pair of flats, perhaps.
People Also Ask
While flip flops are a big no-no for most occasions (save for a trip to the beach or a midnight run to the conbini), comfy ballet flats, loafers, boat shoes, or even a nice pair of slip-on sneakers are practical options. You might also notice that open-toed shoes and sandals are uncommon.
Although crocs don't have enough heel security for your feet to be secure in the shoes. This slip-on of the crocs is so good. And yes you can wear them at the airport as they are so comfortable and relaxing. Also, they have slip-resistant properties that make them convenient to wear on any slippery surface.
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.
A common rule of thumb is if the place is culturally traditional, has tatami mats, or is someone's personal space like a residence, then you should take off your shoes. Otherwise, it is likely okay to leave them on.
The Japanese women do not wear t-shirts as we do in the US. Most wore a nice top, not low cut but many were sleeveless. Most Japanese women wear heels even with casual clothes. I wore Birkenstock sandals and was very comfortable everywhere I went.
All footwear is fine. Heels , flats, boots, sneakers, sandals. The only thing I don't see a lot of is older sneakers -but that doesn't mean don't do it. You just don't really see “well-worn” dirty sneakers outside of the running track or gym but .. it's not the end of the world if that's what you like.