Granada Ankle Boots with ZipperThe perfect ankle boots for everyday wear that deliver maximum comfort, Upper: 100% calfskin leather Inner lining: 25% other materials and 75% textile Sole: 100% synthetic Cushioned insole Removable insole Zipper closure Heel height 3. 5 cm (1. 4") Shaft contour 25 cm (9. 8") (size 37 eur 4 uk 6. 5) Total shaft height 11. 3 cm (4. 4") (size 37 eur 4 uk 6. 5) The memory foam insole contains 85% recycled material. maximum arch and heel comfort due to