When I say "pinstripes"? You think Yankees. Even though plenty of other teams wear pinstriped uniforms. Ah, but the Yankees association makes even more sense than you might think, because the Yankees are the only team with pinstripes actually sewn into the material; the other teams with pinstripes merely have them painted on.
I learned this and much more about the manufacturing of authentic major-league uniforms in this nifty educational program (which for some reason is hosted by a visitor from legendary Amazonia):