A pair of Nike's limited edition self-lacing "Back to the Future" shoes is displayed at a store in Wuhan city, central China's Hubei province, 13 Janu Stock Photo - Alamy
Nike and Tiffany & Co. to launch US$400 sneakers: the Air Force 1 '1837' limited-edition shoe collaboration comes after the LVMH brand worked with Beyoncé and Jay-Z – but some are calling