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. Often, fake Nike manufacturers put outdated sizing labels on the inside of the shoe.

To find the model number on Nike shoes , you can start by looking at the inside tag of the shoe . The model number is usually located on the tongue or on the side of the shoe . You can also check the box or the label on the shoebox for the model number .

You need to size up at least a half size. I wear an women's 8.5 and ordered a 9. Still too small. I have a very narrow foot and this felt too tight in the arch.