From 1 generation to the 23rd generation. It's related to the type of shoes. After 23 generations, it was named after Nian. It wasn't until 2022 that there was the 28th generation, so strictly speaking, Zhengdai was the 23rd generation before. Labeling is very simple, that is, the information of shoes, indicating the shoe number, origin, production date and so on. , usually on the inside of the upper. Owen endorses Nike basketball shoes. As an NBA superstar, Owen has owned Nike's signature shoes tailored for himself-Owen series as early as a few years ago.