Look for the tag on the product which will have the size and other product information mainly inside the shoe that is behind the tongue of the shoe. Real Adidas shoes have tags with serial numbers for the left and right shoe. However, a fake product will have the same serial number on both shoes.

These adidas running shoes keep you feeling good on short- to mid-distance runs. They ride on a full-length Boost midsole, which returns energy with every stride.

The real adidas Originals have different serial numbers on the left and right basket, unlike the fake ones. The serial number on the underside of the tab must match the serial number on the box. The brand uses its cloverleaf logo in a print on the tongue and not a sticker like the counterfeits.

The tags have the size and product information on the inside of the shoe (behind the tongue). Real Adidas shoes will have tags with different serial numbers for the left and right shoe, but a fake product will have the same serial number.