User blog comment:Xilinoc/Ch. 545 - Blue Stripes/@comment-1268838-20130709151049/@comment-4431351-20130710193448

Didn't Kubo mention in the omakes about the latest arc the history of Shunsui's pink Haori would be revealed. Looking at its fabric and the ones in Shutara's palace, I'm thinking they might be connected somehow.