Fashion's creatives are constantly iterating, pushing forward on what's considered wearable and interesting. Sometimes, the styles they debut feel controversial: unexpected, surprising, and—to many observers—unlikely to take off as a trend. (Think Crocs, bondage-inspired outfits, mullets, and UGGs.) At first glance, these styles can seem difficult to wear. But as it turns out, something about them speaks to mainstream consumers.
Below, the most controversial fashion trends that became surprisingly popular.
