Video: Carhartt - Growing a billion dollar business with a 16 dollar hat

Who doesn't know them, the oh so famous hats with the ocher yellow Carhartt brand on it. Carhartt has been the unofficial uniform of the American workers since 1889. Once the hip-hop community adopted the workwear style, it didn't take long for Carhartt to become an icon of pop culture.

Image and video: CNBC Make it