These are authentic Team USA / USATF training and team tees — the Nike-supplied national-team kit issued to American athletes, not fan merchandise. The archive holds 12 authenticated USA tees, each verified by sourcing and construction before it is listed.
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 training and team tees are made for the roster — federation and sponsor badging, athlete-issue construction — rather than for retail. That’s what separates a real national-team tee from a licensed fan shirt.
We authenticate each tee by its sourcing and construction against known USATF/Nike issue patterns before listing. Supply comes from athletes’ own allocations, so most pieces are scarce.
They are athlete-issue national-team kit — the tees issued to USATF athletes through their Nike program, not licensed fan merchandise sold to the public.
This kit comes from athlete allocations; specific worn/provenance detail, where known, is noted on the individual product.
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.