Sneakers are also the things that players wear the most on the court. When you see them, you will understand how fierce the competition is on the court. It can be said that sneakers are players' favorite clothes. Former eagles collect sneakers, totaling 1000 pairs, which is really terrible.
This question is like asking, why do stars send signature T-shirts instead of signature underwear? What's your first reaction when you see the insole? Is it really so exciting to like a star again? Moreover, the difference between sneakers and insoles is that sponsors design exclusive sneakers for stars, not insoles, so sending sneakers also has propaganda meaning in it.
Many friends around me are obsessed with mamba series, and friends who play basketball are excited to buy a pair of satisfied hearts, and they all run to the runway to show off and feel it. Insoles are not so intuitive after all.