Crocs Classic Crackle Cog - Kids' Crocs Classic Crackle Cog - Kids' A unique crackle finish provides extra style to this version of the iconic clog. The crackle finish makes these shoes extra fun, while the Croslite™ foam construction keeps them light and easy to wear. Grounded in comfort, spiked with personality. Iconic Crocs Comfort™ provides 360-degree cushioning that's light and fun to wear, while the pivoting strap ensures a secure fit. Customizable with Jibbitz™ charms. EVA upper Slip-on with pivoting slingback strap Round toe Synthetic lining Cushioned footbed EVA sole