According to The Gender, marketing played a major role in shaping the idea that certain products belong to men or women. As more people adopt products for their usefulness rather than their intended audience, the original gender associations can start to feel outdated or unnecessary. #10 Ugg boots were originally worn by male surfers, with their girlfriends stealing and wearing them like they would a leather jacket. Now I pretty much just see men wear them, though they've started to fall out of style. In fact, Louis would only allow favored members of his court to wear heels, and especially to wear certain colored heels.