Eunhyuk and Yesung sharing a t-shirt

I just saw an old episode of Star King and i noticed that Eunhyuk wore the t-shirt i posted before, Yesung wore the t-shirt when Super Junior went to Taiwan in 2009 for an award show, Eunhyuk wore the t-shirt in Star King on May 2009, the t-shirt is from General Idea called Inversion 1/2 RT you can find it here also Kangin has the same design but in long sleeves here