Do some research before you leave. This list is for a short trip to Tokyo, which has a moderate climate and occasionally rains. Planning for the flight to Japan is also important to keep in mind, as the flight itself can sometimes exceed 12 hours, depending on layovers and where you are traveling from. Clothes □ Underclothes and socks □ Light jacket □ Heavier jacket □ Three casual shirts □ Three pairs of pants □ Formal outfit □ Comfortable shoes Medication □ Allergy medicine □ Eye drops □ Aspirin □ Band-aids □ Motion sickness medicine □ Sleep medication Snacks □ Pretzels □ Bottled water Electronics □ Power converter □ Phone charger □ Camera charger □ Camera □ International phone Toiletries □ Travel-sized lotion, shampoo, and body wash □ Contact lens case and solution □ Hand sanitizer Books □ Books for reading on the plane □ Travel guide □ Pocket dictionary □ City and subway map Miscellaneous □ Umbrella □ Extra yen for emergencies □ Passport