What should I pack for Osaka?

Shoes are the single most important packing decision for Osaka. You take them off constantly — at temples like Shitennō-ji and Sumiyoshi Taisha, at every ryokan, at most izakaya, and at any restaurant with tatami seating. Lace-up boots become a liability when you're slipping shoes on and off fifteen times a day. Go with something you can step into and out of in seconds that still handles a full walking day. Osaka's sidewalks tend to be well-maintained compared to, say, Bangkok, but the Shinsekai neighborhood has uneven pavement and the metal grating around Tsūtenkaku gets slick in rain. Closed-toe slip-ons or low-top sneakers with pull tabs — that's the answer. Leave the flip-flops for the hotel.

Right now in early June, Osaka sits at around 23°C with nearly 80% humidity — and it's about to get worse. Tsuyu, the rainy season, runs from early June through mid-July, delivering afternoon downpours that can drench you in the thirty seconds between Kuromon Market's covered arcade and the open street. A packable rain shell matters more than an umbrella here because your hands need to be free for street food — you'll be eating grilled takoyaki from a paper boat while walking through Dotonbori, and an umbrella just gets in the way. Three quick-dry shirts rotate well for a week; cotton is miserable in Kansai humidity, clinging and staying damp well into the evening. One light long-sleeve layer for the over-air-conditioned JR trains — the Midosuji Line runs cold enough that the temperature swing from the platform to the car is jarring.

Japan runs on 100V with Type A flat-pin outlets — the same physical shape as North American plugs, so US travelers don't need an adapter. Europeans and Australians do. The lower voltage means a US hair dryer works but runs weak; a European one might not run at all. Pack a portable battery bank rated at least 10,000 mAh. Between Google Maps navigation, the ICOCA app for transit, and the constant urge to photograph every street food stall in Shinsekai, your phone battery won't survive a full day. A small crossbody bag or sling keeps your hands free for the standing-only counter seats at kushikatsu joints — you'll want quick access to your phone for translation apps, not a backpack you have to swing around every time you sit down.

Skip packing toiletries. Matsumoto Kiyoshi and Daikoku Drug have locations every two blocks in Namba and Shinsaibashi, and Japanese sunscreen is legitimately better — thinner texture, higher UV protection, no white cast, around ¥600–800 (roughly $4–5 USD). Same for face wash and moisturizer. Umbrellas are ¥500 at any 7-Eleven or Lawson — transparent vinyl, the same ones every salaryman carries, functional and disposable. The one thing you can't easily replace locally is deodorant that matches Western preferences; Japanese brands tend to be milder. Bring your own or hunt the import section at Don Quijote in Dotonbori. Worth noting: Uniqlo AIRism undershirts are cheaper here than abroad and purpose-built for this humidity — pick them up at the Shinsaibashi flagship and free up suitcase space for the trip home.