Xtep's product code length is 12 bits, and each bit represents a different meaning. The coding rules are as follows:

The first one stands for brand name, 7 stands for XTOP, 8 stands for Disney and 9 stands for Xtep.

The second and third digits represent the year, and the code is obtained by subtracting two digits of the year from one hundred. If 2020 is "80" (100-20 = 80), please refer to the picture at the beginning.

The fourth stands for season, 1 stands for Q 1, 2 stands for Q2, 3 stands for Q3, 4 stands for Q4, 9 stands for spring and summer, and 0 stands for autumn and winter.

The fifth stands for product category, 1 stands for shoes, 2 stands for clothing and 3 stands for accessories.

The sixth stands for gender, 9 stands for men, 8 stands for women, 7 stands for neutrality, 6 stands for children, 5 stands for boys and 4 stands for girls.

The seventh and eighth representative categories are shown in the category code reference table.

The ninth to twelfth digits are serial numbers, which are distinguished by categories, that is, the serial number of each category starts from 000 1, and the codes are accumulated all the time, and do not change with the change of year, season and gender information. There are nearly 7000 styles of futures from 000 1-6999. The expected service life exceeds 10 years. Among them, 7××××× at the beginning of 7 is sponsorship, 8 is group purchase, and 9 is e-commerce.