Upper: calfskin Lining: soft pu Insock: imitation pigskin, Outsole: pu The quality of our products has reached the iso standard and our service has been constantly improved, and so we are in a good position to serve your customers with the most reliable quality of the line you suggest. In addition, the outsole is made by ourselves, so the price is much more competitive than other companies. Should you have any questions, please fell free to contact us. Hope to hear from you in the near future. No specific packing