Back cap:Premium hand-crafted leather Premium Nero Back strap:Premium hand-crafted leather Premium Nero Border:Premium hand-crafted leather Avio Collar:Premium hand-crafted leather Avio Insole:Textile lining Nero Lining:Textile lining Nero Shaft 1:Premium hand-crafted leather Avio Shaft 2:Premium hand-crafted leather Deep Ocean Shaft 3:Premium hand-crafted leather Premium Nero Sole:Black (5.2 cm) Upper:Premium hand-crafted leather Premium Nero Zipper:Zipper Nero Artsy Boots 41523