Jordan Shoe Brand went with designer D’Wayne Edwards for the Jordans 21 (XX1 or XXI). The design of the Jordan 21 (XX1 or XXI) is very simple compared to the other Jordans Shoe.Air Jordan 21,Lower-foot air grilles,double-overlasted Phylon midsole,a carbon fiber shank plate,a seamless diamond-quilted booty and the usage of I.P.S.suspension system are all the characters of the Air Jordan 21,especially the I.P.S.suspension system,it makes the Zoom and Encapsulated air be chose by the wearer.