The hidden dangers of Crocs: They're the must-have summer shoe for children - but now experts have issued a warning over the silent damage they are wreaking. And it's bad news for Birkenstock-loving adults, too...

Once associated more with hospital workers, gardeners and children than the fashion-conscious, Crocs have undergone a remarkable image transformation over the past two decades.

The hidden dangers of Crocs: They're the must-have summer shoe for children - but now experts have issued a warning over the silent damage they are wreaking. And it's bad news for Birkenstock-loving adults, too...
Once associated more with hospital workers, gardeners and children than the fashion-conscious, Crocs have undergone a remarkable image transformation over the past two decades.