Ultra boost, which has been agreed, has a new model this year! Strike while the iron is hot, let's see how to distinguish the true from the false. 1.Toe braided surface The material of genuine braid is different from that of fake braid; The real shoes have larger air holes and forked patterns, while the fake shoes have smaller air holes and single patterns; 2.Side letters The electroplating effect of authentic product is good, the handwriting is clear and complete, the edge treatment is good, and it has a strong sense of reflection; The font of fake shoes is easy to be rough and the texture is poor； 3.footbed The real shoes are white and yellow, while the fake shoes are only white; 4.Boost hardness As the biggest selling point of ub21, we have measured the boost hardness of real and fake products, and the difference is obvious； Homework：which is real in picture 6?