In 2015, Kanye West turned his back on Nike, an all out battle in the ongoing war for sneaker supremacy. Nike and Adidas are two multinational companies worth billions in an industry estimated to be valued at $220 Billion by 2020 (which is double the GDP of Ukraine) but that begs the question - Why are companies sinking so much money into mesh and rubber for your feet?In this series of Business Wars, we'll find out. This is Episode 1 of a 7-part series on the brutal business battle between Nike and Adidas.Support us by supporting our sponsors:Policy Genius - Compare life insurance quotes in minutes at PolicyGenius.comLegal Zoom - Get a free business startup kit at LegalZoom.com/startup and use code BW at checkout