Welcome wargamedt9644 :)
Sorry to disappoint you but Nike is one of the hardest products to source. WHY? Most brand owners such as Nike have done the extra work to ensure that their products are available only through registered resellers/dealers. This helps them protect their brand name from counterfeiting and at the same time its a means to monitor their product quality.
You'll find several related posts on the forum (there are a number of other member's who are also looking for Nike and other sports brands), here's one of them:
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Cheers!