A casual, comfortable, warm design. Perfect for autumn. Upper: 100% calfskin leather Inner lining: 75% textile and 25% pig skin Sole: 100% synthetic Type of close: Zip Heel height 5.5 cm (2.17") Shaft contour 25.5 cm (10.04")(size 37 eur/4uk/6,5-7 USA) Total shaft height 13 cm (5.12")(size 37 eur/4uk/6,5-7 USA) Extra Comfort.