Nike Air Tech Challenge 2 'Stone Blue' Men's Shoes Size:9 they feature colors that look

they feature colors that look washed out by the summer sun

Lace up and feel the legacy in a champion running shoe that helped define the '90s

6mm sockliner adds layer of cushion

And signature Serena Williams details

Why mess with greatness

Nike Air Tech Challenge 2 'Stone Blue' Men's Shoes Size:9 they feature colors that lookNike Air Tech Challenge 2 Men's Shoes Hitting 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