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.

All Nike shoes are packed inside a box with a certain label and tag. The colour and print of the box usually vary depending on the style but mainly the boxes revolve around the colors red, orange, and brown. The print on the box should have the size, serial number, and style, with a barcode.

A pair of sneakers marked “WMNS,” “(W)”, or women's, mainly refers to its size, usually released between a six and 12. When converting to men's sizing, there's a size and a half difference, which makes a women's 12 a men's 10.5.