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.

The bottom right or left of the front of the shirt will usually contain some sort of authenticity tag or a tag detailing the material type, but be warned! The look of these tags has changed considerably over time, and some adidas shirts don't include the standardised authenticity tag at all.

The company was founded in Germany in 1949, by Adolf Dassler, whose name was the inspiration for the name. Presently, the company sources its products from various villages in Pakistan and Western India. So yes, technically, some of the products like clothing, and footballs, are made in India.

Amazon protects brands like Apple and Adidas against the sale of fake products but allows Chinese knock-off merchants to siphon off sales of small producers.