It's the counter-movement to all this eco-conscious fashion you keep hearing about. Please keep in mind, it is never acceptable to wear PVC leggings with Crocs.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.