The model number (or SKU) of a shoe can be found on a label located on the inside of the shoe tongue. RN stands for registered identification number. It is a number assigned by the FTC to US businesses that manufacture, import, distribute or sell products covered by the textile, wool and fur Acts.

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 .

The model number of your shoes is typically located under the size and above the barcode on the tag.

On the outside of your sneakers you cannot check whether this is a WMNS or MEN version. You can find this info inside your sneakers. The difference can be recognized by the ratio between the US size and the other sizes. You can find these sizes in the tongue or inside of your sneakers.