If you need help determining your size, please reach out to our customer service team. info@naiyonewyork.com
| SIZE INCHES | CHEST | TOTAL LENGTH | SLEEVE |
| XS | 24.6 | 24 | 11.8 |
| S | 25.6 | 24.8 | 12.2 |
| M | 26.6 | 25.6 | 12.6 |
| L | 27.6 | 26.4 | 13 |
| XL | 28.7 | 27.2 | 13.4 |
| XXL | 29.9 | 28 | 13.8 |
| SIZE CM | CHEST | TOTAL LENGTH | SLEEVE |
| XS | 62.5 | 61 | 30 |
| S | 65 | 63 | 31 |
| M | 67.5 | 65 | 32 |
| L | 70 | 67 | 33 |
| XL | 73 | 69 | 34 |
| XXL | 76 | 71 | 35 |