Upper - 100% calfskin leather, Inner lining - 25% other materials and 75% textile, Sole - 100% synthetic, Cushioned insole, Removable insole, Padded ankle collar, Thickness of the sole 4 cm (1.5"), Shaft contour 30 cm (11.8") (size 41 eur/7 uk/6,5, Total shaft height 14 cm (5.5") (size 37 eur/4 uk/6,5, Extra light weight sole

The memory foam insole contains 85% recycled material. maximum arch and heel comfort due to arch support technology giving extra cushioned support.