We asked them how would they define each other. David thinks Thiago is calm and unmovable like a polar bear. Thiago thinks David is crazier, takes more risk, isn't scared of attacking while still being agressive just like a lion.
They're the Yin and the Yang, the ice and the fire.
Each shoe has a hint of the other player, showing graphically how they both connect and how being complementary made them one of the best pair of defenders in the world.