Nike’s latest and greatest training shoe pays homage to the first and arguably still greatest cross-training shoe ever with this Air Trainer 1 inspired colorway of the Metcon 2. Modern meets vintage for this “Metcon Knows” colorway, featuring the high-performance training model with the signature “Chlorophyll” colorway of the original Air Trainer 1, one of Nike’s most important and iconic designs ever. The Metcon 2 not only gets the white, grey, black, and green color scheme of the Trainer 1, but also its materials with a white leather upper and microsuede paneling. The Metcon 2 “Metcon Knows” arrives July 22nd on Nike.com.