Explain that these are professional DUNK SB series skateboard shoes

The main thing is to look at the shoe label. Under normal circumstances, when you open the tongue of a genuine DUNK shoe, there will be an obvious "NIKE SB" mark in English, indicating that it is a professional DUNK SB series skateboard shoe, while the fake shoe tongue only has the "NIKE" logo.

Tongue thickness. The tongue of Nike DUNK is lengthened and thickened to improve the comfort and safety of skateboarding.