Product detailed description Materials upper part 100% polyester lining 60% polyurethane, 30% polyester, 10% cotton insole 80% polyester, 20% cotton sole 100% rubber 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 Plus12 (internal length) and Clevermess (internal width) tools. The optimal oversize for adult shoes is 0.5 - 0.7 cm. Recommendations for foot measurement and choosing the right size: How to choose shoes Made in the EU, the materials meet European standards and are safe. sandals Reima Rantaan 2.0 Green Citrus AD