Adidas sizing is generally true to size. The label themselves advise that for a more loose feel, you should go up a size or, for a more snug fit, try a size smaller. These are, after all, relaxed sports-oriented pieces that need to fit your particular lifestyle.

adidas AG (adidas) designs, manufactures, and markets athletic and sports lifestyle products. The company's product portfolio includes footwear, apparel, and accessories such as bags, sunglasses, fitness equipment, and balls.

03/6Serial number on the tag 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.

Adidas has a long history of excellence within the running world that continues to this day. Quite often, you'll see podium pairs of Adios Pro on the feet of some of the top marathoners in the world.