To find the model number on Nike shoes , you can check the tag or label inside the shoe . It is usually located on the tongue , collar , or heel of the shoe . You can also look for a 9 - digit number on the side of the shoebox , which is the style number .

All authentic Nike shoes have a tag sewn into them with their size, barcode and model number on it. You will recognize it most easily by the barcode.

Vietnam has become a popular destination for manufacturing due to its low labor costs and favorable trade agreements . Nike , along with other major shoe brands , has moved their production to Vietnam in order to cut costs and increase profits .