Exterior: 10.0% VACUNO-CALF SKIN 50.0% POLIAMIDA-POLYAMIDE 40.0% SERRAJE VACUNO-CALF SPLIT Interior: 100.0% VACUNO-CALF SKIN Sole: 50.0% POLIURETANO TERMOPLASTICO-THERMOPLASTIC POLYURETHANE 50.0% CAUCHO-RUBBER Size Type: INTMaterial: Exterior: 10.0% VACUNO-CALF SKIN 50.0% POLIAMIDA-POLYAMIDE 40.0% SERRAJE VACUNO-CALF SPLIT Interior: 100.0% VACUNO-CALF SKIN Sole: 50.0% POLIURETANO TERMOPLASTICO-THERMOPLASTIC POLYURETHANE 50.0% CAUCHO-RUBBERSKU: K811230X04BROWNWHITE Our Products Are 100% Genuine. In All Cases We Stand By The Authenticity Of Every Product Sold On Our Site.