Performance Tee Size Chart
Chest measurements are circumferences
Men's Fit
| Chest | Length | |
| XS | 30-32" | 27.5" |
| S | 34-36" | 28" |
| M | 38-40" | 29" |
| L | 42-44" | 30.5" |
| XL | 46-48" | 31.5" |
| XXL | 50-52" | 32.5" |
Women's Fit
| Chest | UK Size | |
| XS | 28-30" | 4-6 |
| S | 32-34" | 6-8 |
| M | 36-38" | 10-12 |
| L | 40-42" | 12-14 |
| XL | 44-46" | 14-16 |
| XXL | 50" | 18-20 |