An exhibitor wears a fan-powered jacket during the 4th Heat Solution Tokyo trade show on July 20, 2018, Tokyo, Japan. The exhibition introduces products from 70 companies to help control the temperature
Work uniform with built-in cooling fan also popular as casual wear in Japan | The Straits Times
Japanese beat the summer heat with fan-fitted clothes - The Japan Times
Vest with Fan, Work Clothes, Safe Japanese Company, Fan with Battery, Full Set, Up to 23 Hours of Operation
Nautica Japan Released a Fan-Cooled A/C Jacket for Summer Heat