Crocs Clogs (Shoes) Classic Lined Clog K. Available in girl's sizes. By Crocs. Featuring a trendy Khaki colour, it has a 100% trendy Rubber and synthetic upper. From Rubber and synthetic on the upper level and a rubber lining to which is added a rubber insole. The brand has opted for a rubber insole and a rubber lining. A perfect combo that's right on trend!