Need shoes you can wear Monday to Friday? The new season features this functional, practical, very comfortable design. Upper: 100% calfskin leather Inner lining: 25% pig skin and 75% textile Sole: 100% synthetic Type of close: Zip Thickness of the sole 4 cm (1.57'') Shaft contour 25 cm (9.84'')(size 37 eur/4uk/6,5-7 usa) Extra Comfort