Balenciaga's $850 platform Crocs sell out within hours of online debut

Crocs -- the unisex, foam staple favored by grandmothers around the globe -- are officially the hottest shoe of the season.

Last fall, Balenciaga debuted platform Crocs on its runway. The rubber clogs, which retail for $850, finally became available for preorder on Barney's website last week -- and they sold out within hours.

The controversial shoes have 4-inch platforms and kitschy pin embellishments.

This isn't the first time fashion has flirted with the rubber clogs. Designer Christopher Kane showcased rock-emblazoned Crocs at his spring-summer 2017 show.

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