Product detailed description Materials upper quality Italian smooth leather sheep wool lining and insole rubber sole 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 winter boots is 1-1.3 cm. Recommendations for foot measurement and choosing the right size: How to choose shoes Made in the Czech Republic, the materials meet European standards and are harmless. Jonap Igy black devon winter barefoot boots