Not only was the font slightly off, but the placement (fake font is too far to the left) and size of the tags were also different. And the size of the (size XXL) tag was larger on the fake, not to mention it was partially coming apart at the tag seam. Also the thread used to attach the fake tag was a gray-ish color – Polo uses thread that is the same color as the shirts (or navy to match the tag)!
Read more: http://computersight.com/programming/how-to-spot-fake-ralph-lauren-polo-shirts/#ixzz2aJTpmLEM