Product detailed description Materials synthetic upper synthetic lining rubber sole velcro, brake Size chart In the table we always indicate the inside size of the shoe. We prepare the table based on our own measurements with the Plus 12 (internal length) and Clevermess (internal width) tools. The optimal oversize for summer shoes is 0.8-1 cm. Recommendations for foot measurement and choosing the right size: How to choose shoes Made in the Netherlands, the materials meet European standards and are safe. sandals Koel4kids Madison Vegan Blue 04M006.50H - 110