An Iconic Look That Lasts. This Aj1 Pairs The Classic Design Of The Original With Premium Materials That Will Keep You Going All Day. Real- And Synthetic-Leather Upper Delivers Durable Comfort. Nike Air Unit In The Heel Creates Lightweight, Bouncy Cushioning. Flex Grooves At The Front Of The Outsole Rubber Outsole Provides Traction On A Variety Of Surfaces.