NIKE AIR TECH CHALLENGE II QS Size:US 9 100% & 400% set and

100% & 400% set and 1000% deployment

Woven upper with welded overlays

and it takes you back to the BIOVERSE

The textile and synthetic upper keeps things lightweight

The high top silver metallic upper is made from crackled leather

NIKE AIR TECH CHALLENGE II QS Size:US 9 100% & 400% set andHitting 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