Back cap:Premium hand-crafted leather Deep Ocean Back strap:Premium hand-crafted leather Deep Ocean Buckle:Metals Nickel Insole:Textile lining Nero Lining:Textile lining Nero Quarter:Premium hand-crafted leather Deep Ocean Shaft:Premium hand-crafted leather Deep Ocean Sole:Black (3.5 cm) Strap:Premium hand-crafted leather Deep Ocean Stretch:Stretch Blue Studs:Metals Nickel Upper:Premium hand-crafted leather Deep Ocean Zipper:Zipper Nero Everyday Boots 27572