Please see below our size guide:
| Size | Chest (Inches) | Chest (CM) |
| XXS | 28-31 | 70-79 |
| XS | 31-34 | 80-87 |
| S | 34-37 | 88-94 |
| M | 37-40 | 95-102 |
| L | 40-43 | 103-110 |
| XL | 43-46 | 111-117 |
We recommend if you are in between sizes, to choose the smaller size as the vest is made from a four-way stretch fabric.