When choosing the shoe size, please select the European size. If you have wide feet or high insteps, we recommend choosing one size larger to ensure a comfortable fit. Dear friend, this sku is a two-tone color, please check carefully when you place an order. Nylon carbon plate is mainly composed of nylon plate materials, carbon plate is a flat material, suitable for jogging, fast running, training, competition can all wear, suitable for the masses can be controlled. This product does not bring shoebox, shoebox to another contact customer service.