Sneakers: why checking the SKU is not the answer

The most repeated advice is to check that the style code on the inner label matches the code on the box. It is worth doing, because careless operations still get it wrong. But it proves very little: making two codes match is trivial for anyone producing at scale, and there is no manufacturer service where a code can be checked against a register.

The same applies to every published visual tell. Stitch counts, glue lines, label fonts and toe box shape are documented in detail online, which means they are also documented for the people correcting those details in the next production run. Advice based on appearance expires by construction.

Footwear has a distinctive signature in seizure statistics. According to the OECD and EUIPO study published in 2025, covering 2020-2021 data, 70% of seized footwear arrives by post, 90% of seizures contain fewer than ten items, and more than 67% contain a single item. The same study uses footwear imported from China as its methodological reference point, estimating that around 27% of such shipments are counterfeit.

That is not the profile of container smuggling. It is the profile of individual online orders, placed by consumers, arriving one parcel at a time.

For a buyer, this means the risk sits in ordinary-looking online purchases rather than obvious market stalls.

StockX and GOAT both operate authentication programmes and publish descriptions of their processes. Those descriptions are useful, and the services do intercept a large volume of fakes.

Two limits are worth knowing. First, these are contractual promises by a private company, not an audited standard: no major platform publishes an independently verified error rate, so the accuracy figure you are given is the company own claim. Second, if an authenticated item later turns out to be counterfeit, your claim is against the platform on the strength of that promise, which is a commercial dispute rather than a consumer right.

In February 2022 Nike sued StockX. The claim widened in May 2022 to allege that counterfeit sneakers had passed through StockX authentication despite its marketing. Investigators bought four pairs that were found to be counterfeit; one buyer reported thirty-eight counterfeit pairs out of sixty-two purchased.

In March 2025 the court held StockX liable in respect of thirty-seven counterfeit pairs. The parties settled later that year on confidential terms.

This is the best-documented case of counterfeits passing through a major authentication service, and it comes from a court record rather than an anecdote. It does not mean these services are worthless: StockX reports rejecting over 370,000 items in 2024 alone. It does mean that authentication is a commercial promise with a measurable failure rate, not a guarantee.

Ask the seller where the pair came from, and ask for the document. A legitimate reseller has a supplier invoice, because their accounts require it. Someone sourcing from a counterfeit supply chain does not, and cannot produce one that survives checking against public company records.

This is also why buying from an unauthorised reseller is not, in itself, a problem. Parallel imports of genuine goods placed on the European Economic Area market with the rightsholder consent are lawful. What matters is whether the chain can be shown, not whether the seller appears on a brand list.