Get ready to slide into a new level of fast-food fashion. White Castle and Heelys have teamed up for an unexpected, playful, and undeniably nostalgic collaboration: the “Slider Riders” collection.

Just a few years ago, Heelys shoes with the wheels in the heels - and the company's stock - were about the hottest thing going. It's been downhill ever since. Heelys has fallen off the map with ...