DUESSELDORF, GERMANY - JULY 26: A variety of shoes on display during the first day of the GDS - Global Destination For Shoes & Accessories tradeshow on July 26, 2016 in Duesseldorf, Germany. (Photo by Andreas Rentz/Getty Images)
DUESSELDORF, GERMANY - JULY 26: A variety of shoes on display during the first day of the GDS - Global Destination For Shoes & Accessories tradeshow on July 26, 2016 in Duesseldorf, Germany. (Photo by Andreas Rentz/Getty Images)