wwe authentic

When did wwe start putting theyd wwe authentic wear patch on there tshirts ? Just out of curiousity when did wwe put the authentic patches on. I rember I first saw them on tshirts in late 2008 early 2009. If anybody can awnser this thanks. Also why did the wwe put these patches on?

I'm not relly sure, I haven't watched it since I was 15...