It is known to all, except for the Nike brand advertising and development costs, the materials used Nike Free Run in shoes itself is indeed expensive which fake shoes will definitely not imitate. Usually, fake shoes developers will recruited lower grade textures according to the real shoes materials and properties to act as their imitation materials.
1, upper material
Nike basketball shoes usually applied with imitation leather which contains a higher fiber density than leather, and the toughness and permeability are even better than leather, at the same time ,it is not easy to deformation. Therefore, a good imitation leather material is much more expensive than Nike Free Run the price of leather. Generally, simulation shoes would not use such kind of material, thus, we can check out the gloss, and squeeze, pull or stretch the microfiber PU to feel the flexibility and toughness.
2, upper craft
Crafts like: hot cutting, micro injection and etc applied in the shoes could help us as well. Though same in appearance, fake shoes always use the materials with no flexibility, suppose you wear a Nike air max shoes in cold winter, there are possibilities that your shoes may fracture.
No matter how similar between the real and fake one. There are still Nike Free Run differences at the sole of shoes. Sometimes, the real one will add some chemical raw materials, recycled materials or carbon to make shoes more wear resistant and non slip. While the fake one will not take this into consideration. Here is a little trick: wearing a pair of real Nike air max shoes walking on the plastic floor, you will hear a very loud “creak” sound, while the fake one, under normal circumstances, could absolutely make no such voices.