Size Chart - AATR301
US Sizes
| S | M | L | XL | |
| Chest (inches) | 30-32 | 32-34 | 36-38 | 40-42 |
| Waist (inches) | 25-26 | 27-28 | 30-32 | 33-35 |
Metric Sizes
| S | M | L | XL | |
| Chest (cm) | 76-81 | 81-86 | 91-97 | 102-107 |
| Waist (cm) | 64-66 | 69-71 | 76-81 | 84-89 |
| S | M | L | XL | |
| Chest (inches) | 30-32 | 32-34 | 36-38 | 40-42 |
| Waist (inches) | 25-26 | 27-28 | 30-32 | 33-35 |
| S | M | L | XL | |
| Chest (cm) | 76-81 | 81-86 | 91-97 | 102-107 |
| Waist (cm) | 64-66 | 69-71 | 76-81 | 84-89 |