Does Adidas have consistent shoe sizes across different countries (e.g. will the same sneaker at size US 10/UK 9.5 have the same dimensions in both US and Asia)? - Quora
How to Measure Your Foot to Find the Right Shoe Size. Nike.com
Here's How to Determine Your International Shoe Size
Adidas Shoes Size Chart | Tactics
Adidas Size Chart: Is Adidas true to size? Do they fit big or small?