Product detailed description Materials the leather upper leather lining and insole leather sole, 1 mm 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 size for exercise shoes is 1 cm, we do not recommend choosing a larger size for sports, the toe can get in the way for gymnastics. Recommendations for foot measurement and choosing the right size: How to choose shoes Made in Estonia, the materials meet European standards and are safe. OmaKing black AD barefoot trainers