Examine the SKU number on the box and the labels inside of the shoes. Every pair of authentic Nike shoes comes with an SKU number that is identical to the SKU number on their box. If the numbers are missing or do not match, they are likely fakes. Check the tongue label.

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). Find the model number on the box if the tag is missing.

In 1971, Nike got its first shoe nicknamed the 'Moon Shoe' which was made in a waffle iron. The grid-like pattern of the waffle iron was replicated on the sole of the shoe. It was 1971. An ex-college runner, Phil Knight, and his coach, Bill Bowerman, started a small company known as Blue Ribbon Sports.

The Nike Cortez is the first track shoe released by Nike in 1972, and is therefore thought to be a significant aspect to the success of the company. The Nike Cortez was first designed by Nike co-founder Bill Bowerman, aiming to produce a comfortable and durable running shoe for distance training and road running.