What appeared as merely a fad at first has blossomed into a huge success: Heelys, the "shoe with a wheel in the heel."

Heelys consistently own a top spot in our Shopping searches, as merchants eagerly feature the latest adult-sized Heelys, 2x2 Heelys, and Grind Heelys online.

Designed by a former psychologist, these recreational sneaker-skate hybrids show no sign of disappearing anytime soon, despite those who ban the use of them in supermarkets. And their popularity has fostered a full-blown sport, "heeling," where skilled Heelys-wearers pull off extreme tricks in the hopes of joining local Heelys Teams.

Heelys shoes - up to 63% off!