by Brandon Richard
The latest of Andre Agassi's retro Nikes to hit the market is the Air Tech Challenge 4, albeit in a low-top package scaled down a bit from the original 3/4 silhouette.
Today, the tennis icon took to Instagram to show off his most recent pickup, the Air Tech Challenge 4 Low in a simple grey and white colorway. A release date for this make-up is unknown, but a pair in 'Anthracite' hit Finishline back in March.
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