BL t-shirt?

Does anybody know where I can find a decent/official one to buy? Just interested in the t-shirt exclusively cause I've got the japanese cd

they were selling em at the back of the Ritz,,black or white.. wish id bought both now,, still the white one looks very nice,,,and im the only person in my village with a bad lieutanent t shirt,

there black , there white,, yea,yea,yea