AIR JORDAN 11 RETRO GS "Cool Grey 2021"The Air Jordan 11 GS "Cool Grey 2021" is the youth sizing of the popular colorway of Michael Jordan's retro basketball shoe that originally debuted in 2001. The "Cool Grey" colorway of the Air Jordan 11 is considered one of the most storied and influential Air Jordan shoes ever, despite the fact that it's not an original colorway of the silhouette. First released back in March 2001, the "Cool Grey" was later worn by Jordan with the Washington Wizards.