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.

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).

Nike product code If you want to check if a shirt is fake, Google the product code on the small inside label near the bottom of the shirt. The code you're looking for with Nike shirts is a 9 digit code made up of 6 digits, a dash and 3 digits.