Official CINTRO Raw Material: Industrial Material. These shoes are made of high quality synthetic material that remains strong and durable – meaning the shoe will last longer. Lifestyle: Official/Business Wear this stylish Centrino shoe with your shirt and trousers for a perfect look. Office clothing, work shoes, official shoes, easy-to-wear shoes, work shoes. Closure: Easy to wear without a tie Centrino shoes are handcrafted for a perfect fit. A perforated inner heel allows air to pass through the material. This is great for leather shoes because the material allows air in to cool your feet and prevent them from forming odor. Size: Convenient size. Centrino supports a style that strikes a good balance between classicism, modernity, secrecy and good taste which is the only criterion for choice. Care instructions: Leave a pair of shoes in the air regularly. This helps them maintain their natural shape; the shoes dry at room temperature only. Excessive exposure to the sun will cause the skin to shrink, wrinkle, tighten, dry and crack. Use the shoe bag to protect the shoes from contamination and discoloration, wipe dry dirt off the surface using a clean cloth for men