The first thing to
examine is the Nike logo. In most cases, it does not have exactly the same proportions as the original. Its angle and inclination may be different.
Next, the label inside the T-shirt should be checked for misspellings. The original brand would never misspell words, but counterfeit products may have one or more errors.
You will also need to look at the labels inside the shirt, near the bottom. Nike’s usually have two or more labels sewn in, while the fake ones usually have only one.
2. If you thinks 'thats cheap' something is wrong.
3. No receipt, no real product.
use our brains!