I googled them. Check this out:

http://www.crocs.com/

Look at all the styles they come in! There's even one that looks like a regular shoe. And a dressy sandal type called sassari....*with* heels! Not high and more like a wedge heal. But they're cute! A style for just about every season and occasion. I had no idea!

ETA: Another link for Rx Crocs;
http://www.crocsrx.com/patientLanding