Authenticity
100% Original - Zero Replica
At Jerz442, authenticity isn't a promise it's a process. Every jersey goes through the same checks before it ever reaches you.
100% Original Jerseys No replicas, no imitations. Every jersey is authentic and official.
Serial & Reference Numbers Always available.
Trusted & Selected Suppliers Sourced exclusively from official channels and verified partners.
Official Tags All original tags are present on brand new jerseys.
How to Check an Adidas Jersey's Authenticity Using the Product Code
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Find the small inner wash tag inside the jersey.
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Look for the product code. On Adidas jerseys, this is usually a 6-character code (letters and numbers), such as IP8139 or HE1437.
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Type the code into Google exactly as it appears.
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Add the club, season, or "Adidas" if needed.
Example: Adidas Real Madrid 2023/24 IP8139 -
Compare the search results with your jersey:
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Same club
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Same season
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Same colourway
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Same Adidas model
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Same design
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Check that the tags, stitching, Adidas logo, club crest, sponsor, patches, and material match official examples.
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If the product code shows a different jersey, a different sport, or no reliable results, be cautious.
How to Check a Nike Jersey's Authenticity Using the Product Code
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Find the small inner wash tag inside the jersey.
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Look for the product code. On Nike jerseys, this is usually a 9-character code in the format 123456-789, such as 577987-105.
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Type the code into Google exactly as it appears.
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Add the club, season, or "Nike" if needed.
Example: Nike Portugal 2014 577987-105 -
Compare the search results with your jersey:
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Same club
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Same season
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Same colourway
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Same Nike model
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Same design
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Check that the tags, stitching, Nike logo, club crest, sponsor, patches, and material match official examples.
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If the product code shows a different jersey, a different sport, or no reliable results, be cautious.
Your satisfaction is our priority. Any questions? Contact us, we're happy to help.