The Nike Air Tech Challenge 4 OG Will Return This Summer

Most famously worn by tennis legend André Agassi at the 1991 US Open, the Nike Air Tech Challenge looks to receive another production run come summer. Infused with '90s style, the OG colorway features an upper of leather and nubuck and alternates between zigzagging black-and-white paneling with a distinctive patterned heel panel and hits of red and purple throughout. An understated grey midsole with a visible Air unit balances out the sneaker. Look for the Nike Air Tech Challenge 4 OG to hit se...