100% Calfskin Leather. Heel : 4 cm. Regular care with a soft, slightly damp or dry cloth is recommended. In case of heavy rain or spilled liquid, dab with a clean cloth and allow to dry away from heat sources. After use, it is recommended that the shoes be stored in their pouch away from light, heat and moisture. Waterproof the shoes before using them and repeat every 6 months. Keep the shoes away from rain and moisture. In case of greasy stains, put a little Terre de Sommières on it and brush. Do not use wax or milks.