Re-released in August 2019 . the Air Jordan 4 Retro 'Cool Grey' celebrates the iconic sneaker's 30th anniversary in a true-to-form retro of a 2004 colorway. The Cool Grey nubuck upper is framed with a white midsole that houses a visible Nike Air unit . while black details line the outsole and lace loops. A hint of Varsity Maize appears on the tongue patch . Air bubble and outsole . while a chrome Jumpman logo adorns the back heel.