These are authentic Team USA / USATF jerseys — competition and team tops from the Nike-supplied national-team programme, issued to American athletes, not fan merchandise. Here are 4 authenticated pieces, each verified by sourcing and construction.
General guide, measurements in cm. Sizing is approximate — always check the measurements listed on each product.
| Size | Women · chest | Men · chest |
|---|---|---|
| XXS | 74–79 | 78–82 |
| XS | 80–84 | 82–90 |
| S | 85–89 | 90–97 |
| M | 90–96 | 97–104 |
| L | 97–103 | 104–113 |
| XL | 104–112 | 113–123 |
| XXL | 113–122 | 123–133 |
USATF athletes are outfitted by Nike, and their jerseys are made for the roster — federation badging, athlete-issue construction — rather than for retail. That’s what separates a real national-team jersey from a licensed fan top.
Each jersey is authenticated by sourcing and construction against known USATF/Nike issue patterns before listing; supply comes from athlete allocations.
They’re athlete-issue national-team kit — issued to USATF athletes through their Nike programme, not licensed fan merchandise.
Each product page has its own size chart with international-to-EU size equivalences (XXS to XXL for apparel) — check the table on the specific item for the exact fit.
The kit comes from athlete allocations; documented provenance, where known, is on the product.
