If you don’t need to wear your coat while you are traveling in Japan, why don’t you leave your coat at the airport on arrival and pick it up when going back?
Use ABC “Coat Storage Service” and get 50 miles per piece!
Service available at Narita Airport (Terminal 1 and Terminal 2), Nagoya Chubu International Airport, Haneda Airport, and Kansai Airport International Terminal.
Using the Coat Storage Service 1 piece = 50 miles
TEL: +81-3-3545-2800 Mon.-Fri. 9:00-18:00 / Sat., Sun., national holidays 9:00-17:30