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 | 25.2 | 22.8 | 20.7 |
| S | 26 | 24 | 21.5 |
| M | 26.8 | 25.2 | 22.2 |
| L | 28 | 26.4 | 23 |
| XL | 29.1 | 27.6 | 23.8 |
| XXL | 30.3 | 28.7 | 24.6 |
| SIZE CM | CHEST | TOTAL LENGTH | SLEEVE |
| XS | 64 | 58 | 52.5 |
| S | 66 | 61 | 54.5 |
| M | 68 | 64 | 56.5 |
| L | 71 | 67 | 58.5 |
| XL | 74 | 70 | 60.5 |
| XXL | 77 | 73 | 62.5 |