The big boom about a game Pokemon Go hit us too. For this occasion we made a shirt using a Japanese technique called Katagami or Katazome. This method is used to dye a fabric (usually silk) from which kimono will be made of. First of all you need to make a stencil. After that you apply a resist paste through a fabric. You can use a brush or any other modern tool.
Check the video below to see how it is made.
And here is my take on a Pokemon shirt