The colours of these designs can be changed in the in-game jersey editor
"Japan" Primary colour = Most of jersey, Secondry Colour = Circle
"Thunderbolt" Primary colour = Most of jersey, Secondry Colour = Thunderbolt
"The Gunners" Primary color = Most of jersey, Secondry Colour = Shirt Sleeves
I went for this design due to the lack of a popular design that sees many teams choose different sleeve colours from the main shirt colour. I decided to keep my designs very simple and it would be easy for the game designers to add these jerseys.