Kiriko Custom Dyed Kendogi Jacket with Pockets, Aimirucha, Style DThis is a worn vintage Kendo jacket made from indigo dyed cotton. The indigo is meant to strengthen the material and will fade with time and use, just like a pair of raw denim jeans. Kendogi are martial arts jackets meant for Kendo, a sport practicing swordsmanship with wooden swords. Kendo armor was introduced when the sport was introduced in the late Edo period, far after Samurai were abolished from Japan. Modern Kendogi are made in the same