The trademark of the Fila shoes purchased online is upside down, indicating that the shoes purchased are not genuine Fila shoes. Genuine Fila shoes print their own LOGO on the upper, upper, heel, sole, insole, tongue and other parts. The LOGO is obviously concave and convex, with exquisite workmanship, varying sizes, uniform specifications, strong three-dimensional effect, and no upside-down trademarks. . Therefore, if the trademark of Fila shoes purchased online is upside down, it means that the shoes purchased are not genuine Fila shoes.