Size Charts for FourSquare Apparel
Men's
| US Size | Chest | Waist | Inseam |
| X-Small | 34 - 36 | 28 - 30 | 29 1/2 |
| Small | 36 - 38 | 30 - 32 | 30 1/2 |
| Medium | 38 - 40 | 32 - 34 | 31 1/2 |
| Large | 40 - 42 | 34 - 36 | 32 1/2 |
| X-Large | 42 - 44 | 36 - 38 | 33 1/2 |
| 2XL | 44 - 46 | 38 - 40 | 34 1/2 |
Women's
| US Size | Chest | Waist | Inseam |
| X-Small | 30 - 31 | 23 - 24 | 28 1/2 |
| Small | 32 - 33 | 25 - 26 | 30 |
| Medium | 34 - 35 | 27 - 28 | 31 |
| Large | 35 - 36 | 29 - 30 | 32 |
| X-Large | 37 - 38 | 31 - 32 | 33 |