Nothing beats a great pair of shoes! Crocs, an expert in the field, has designed the Crocband. We love the grey (%) synthetic (%) upper! From synthetic (%) on the upper level and a synthetic (%) lining to which is added a synthetic (%) insole.pour un rendu admirable. With no false notes, Crocs relies on synthetic (%) for the upper and synthetic (%) for the insole. Say goodbye to the country look: with these features, this pair is as stylish as ever!