On May 14, 2021, the adidas ZX6000 "Inside Out Aqua" released with a retail price of €140. The pair came in an aqua colorway and was part of an "Inside Out" release that also included blue and grey versions on the same day. The release started at 10:00, while many stores opened their online sales at 00:00. The ZX6000 was part of the adidas ZX running family, a line that began in the 1980s and saw a large comeback in 2020 and 2021. Today, the "Inside Out Aqua" is mostly available on marketplaces such as KLEKT.
