Back cap:Premium hand-crafted leather Premium Nero Back strap:Premium hand-crafted leather Premium Nero Collar:Premium hand-crafted leather Premium Nero Insole:Leather lining Nero Lining:Leather lining Nero Shaft:Premium hand-crafted leather Deep Ocean Sole:Black (Summer) (3.5 cm) Stretch:Stretch Nero Toe cap:Premium hand-crafted leather Premium Nero Upper:Premium hand-crafted leather Premium Nero Zipper:Zipper Nero Brogue Boots 9901