By Michael Haverty
Risshuu no kon ochitsuku ya Iyo kasuri
At the start of fall, dark blue puts my mind at ease
–Iyo kasuri – Natsume Soseki 夏目礎石
The famous author and poet Natsume Soseki dedicated one of his renowned haiku to the calming beauty of dark blue Iyo kasuri, a fabric export carrying the name of Iyo Province, modern day Ehime Prefecture. But what is Iyo kasuri exactly?