Champion Men's Shirts Size Guide
| Size | Collar (Approx) | Chest Size (Approx) |
| Small | 14.5" | 40" |
| Medium | 15.5" | 42" |
| Large | 16"/16.5" | 44" |
| XL | 17"/17.5" | 46" |
| XXL | 18"/18.5" | 48" |
| 3XL | 19"/19.5" | 50" |
| 4XL | 20"/20.5" | 52" |
| 5XL | 21"/21.5" | 54" |
| Size | Collar (Approx) | Chest Size (Approx) |
| Small | 14.5" | 40" |
| Medium | 15.5" | 42" |
| Large | 16"/16.5" | 44" |
| XL | 17"/17.5" | 46" |
| XXL | 18"/18.5" | 48" |
| 3XL | 19"/19.5" | 50" |
| 4XL | 20"/20.5" | 52" |
| 5XL | 21"/21.5" | 54" |