Nike Air Tech Challenge 2Men's ShoesHitting the '90s tennis scene on the feet of the hottest player at the time, the Air Tech Challenge turned heads on the court with its brash and unconventional style. Well, it's back with the same attitude that made it an icon. This edition gives the original design a more aged aesthetic on the midsole. And its foundational elements, like the real and synthetic leather upper, plush foam collar and visible Max Air unit have proven to withstand the test of time.Nike Air technology absorbs impact for cushioning with every step.Extended collar height enhances coverage.Rubber outsole provides traction and durability.