Size Chart - North End Flux
| MEN'S | SM | MED | LG | XL | 2XL |
| Chest | 35-38 | 39-41 | 42-45 | 46-49 | 50-52 |
| Body Length | 27 | 28 | 29 | 30 | 31 |
| Body Width | 21 | 22.5 | 24 | 26 | 28 |
| Sleeve Length | 34.5 | 35.5 | 36.5 | 37.5 | 38.5 |
| LADIES' | XS | SM | MED | LG | XL | 2XL |
| Chest | 31-32 | 33-35 | 36-38 | 39-42 | 43-45 | 46-49 |
| Body Length | 23.5 | 24 | 25 | 26 | 27 | 27.625 |
| Body Width | 18 | 19 | 20 | 21.5 | 23 | 24.5 |
| Sleeve Length | 31 | 31.5 | 32.5 | 33.5 | 34.5 | 35.13 |