Does anyone know where I can get Mikado’s Jackets? I need it for a cosplay and it’s the only piece I’m missing.

There's this for $60.95:
https://www.animetee.com/products/durarara-ryugamine-mikado-cosplay-costume-coat-jacket?gclid=Cj0KCQjwgOzdBRDlARIsAJ6_HNl9sv5V1-rNBvCq5gvBBH6XCCd2ET2J4cmsb2SQO7nnzcZcn3unGEcaAqkhEALw_wcB

If you're on more of a budget, you can get something similar enough like this:
https://m.epicsports.com/Baseball/p/122891/index.html?gclid=Cj0KCQjwgOzdBRDlARIsAJ6_HNmua9w0NXFzcBi_8ILIFLZ-lbWnVAhNeqZPg9B1pLj4iye-K27NtjsaAtAVEALw_wcB
and then just use fabric paint or sew fabric onto it to make it look more like his jacket.

(Sorry that the links aren't clickable. This site hates me using BBCode for some reason.)