Back cap:Premium hand-crafted leather Deep Ocean Back strap:Premium hand-crafted leather Deep Ocean Collar:Premium hand-crafted leather Deep Ocean Insole:Textile lining Nero Lining:Textile lining Nero Shaft:Premium hand-crafted leather Deep Ocean Sole:Black (Summer) (3.5 cm) Stretch:Stretch Blue Toe cap:Premium hand-crafted leather Deep Ocean Upper:Premium hand-crafted leather Deep Ocean Zipper:Zipper Nero Brogue Boots 5783