Released in 1991 it was the fourth installment of the Nike Air Tech Challenge popularly known as The Agassi because those were the signature model of the tennis superstar. The shoes were released in low or 3/4 tops and featured a visible air unit in the heel while the famous Nike Swoosh was removed from the side. They returned for the first time in the early 2000s. Since 2015 Nike had launched them in new and OG colourways.
