There is no strict dress code in Japanese temples and shrines but it's recommended to stick to smart casual or comfy but conservative clothing. It's important to remember that many locals visit these places for prayer.

While there is no strict, enforced dress code for visitors at Senso-ji Temple in Tokyo, Japanese etiquette generally favors modest and respectful attire. It is common to see tourists in casual clothing like jeans and t-shirts, but "smart casual" is the best approach to avoid standing out. You should avoid overly revealing clothing, such as swimwear or very short skirts. A critical practical tip is to wear clean, nice socks, as you will likely be required to remove your shoes if you wish to enter specific inner rooms or halls. Additionally, hats should be removed when entering the main hall as a sign of respect to the deities. While the atmosphere is welcoming, dressing conservatively shows appreciation for the site’s religious significance as a Buddhist temple dedicated to Kannon Bosatsu.