On the tongue in the original pairs from Nike There is the brand's logo. On the inside of the tongue on the tag should be product information, including size and country of manufacture. There is also a 9-digit serial number, which should correspond to the code on the box.

Released in 1998, the Air Max Plus introduced Nike's Tuned Air system (TN), and as such became retrospectively known as the Air Max TN, Air Max Tuned, or Air Max Tuned 1 (TN1).

Find the model number on the tag. The model number of your shoes is typically located under the size and above the barcode on the tag. It will be a six digit number followed by a three digit number (Example: AQ3366--601).