| Sport-Tek Men’s Tops Size Chart | Chest (in) |
| Men’s X-Small | 19.5 |
| Men’s Small | 21 |
| Men’s Medium | 22.5 |
| Men’s Large | 24 |
| Men’s X-Large | 25.5 |
| Men’s XX-Large | 27 |
| Sport-Tek Women’s Tops Size Chart | Chest (in) |
| Women’s X-Small | 32-34 |
| Women’s Small | 35-36 |
| Women’s Medium | 37-38 |
| Women’s Large | 39-41 |
| Women’s X-Large | 42-44 |
| Sport-Tek Youth Tops Size Chart | Chest (in) |
| Youth Medium | 28-30 |
| Youth Large | 30-32 |
| Youth X-Large | 32-35 |
Sport-Tek
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