Air Jordan 9 The AJ9 is back. First released when MJ traded basketball courts for baseball diamonds, this legendary sneaker brings the heat. We kept all the iconic details, like the minimalistic leather upper, "one-pull" lacing system and jagged midsole. Step in, lace up and throw it back. Specs Genuine leather in the upper adds durability and structure. Nike Air technology absorbs impact for cushioning with every step.