Specification Upper: CowhideLinning: CowhideOutsole: VibramInsole: Ortholite Black Leather Round Toe Laces Derby Shoes WILLIAM William was created in a casual shape with 3 holes in shoelaces. The round shape matches the casual outfit well. Both the outer and inner skin is made of cowhide which offers a comfortable ignition and strong durability Also, you can feel the completeness of the appearance. OrthoLite® foam’s open-cell PU technology is 95% to 100% breathable, allowing air to circulate in Shape Matching, Derby Shoes, Casual Outfit, Round Shape, Shoe Laces, Derby, Dress Shoes Men, Oxford Shoes, Dress Shoes