air tech Nike Air Tech Challenge Huarache-  Andre Agassi-endorsed Swoosh silhouettes are making a big return and it continues here with the Nike Air Tech Challenge Huarache. Originally released in 1992. The Nike Air Tech Challenge Huarache dons a new retro style color way that is now available at BX Sports. Grey nubuck dominates the upper panels mix in with light blue lining and outsole. Continue reading to see more pictures of the Nike Air Tech Challenge Huarache now available at BX Sports. air tech1air tech2air tech4