Yeah I know a polo shirt isn't Japanese just gimme a break it's cool ok
Size guide
| S | M | L | XL | 2XL | |
| Chest width (inches) | 19 | 21 | 23 | 25 | 27 |
| Length (inches) | 28 ½ | 30 | 31 | 32 | 33 |
| S | M | L | XL | 2XL | |
| Chest width (cm) | 48 | 53 | 58 | 64 | 69 |
| Length (cm) | 72 | 76 | 79 | 81 | 84 |