CORE365 Optimum Short Sleeve Twill Dress Shirt
| MEN'S | SM | MED | LG | XL | 2XL | 3XL | 4XL | 5XL |
| Chest Width (Laid Flat) | 22 | 23.5 | 25 | 26.5 | 28 | 29.5 | 31 | 32.5 |
| Body Length | 29.5 | 30.5 | 31.5 | 32.5 | 33 | 33.5 | 34 | 34.5 |
| Neck Size | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 22.5 |
| Sleeve Length | 19.5 | 20.25 | 21 | 21.75 | 22.5 | 23.25 | 24 | 24.75 |
| LADIES' | XS | SM | MED | LG | XL | 2XL | 3XL |
| Chest Width (Laid Flat) | 18.75 | 19.75 | 20.75 | 22.25 | 23.75 | 25.25 | 26.75 |
| Body Length | 24.5 | 25.5 | 26.5 | 27.5 | 28.5 | 29 | 29.5 |
| Neck Size | 15 | 15.5 | 16 | 16.75 | 17.5 | 18.25 | 18 5/8 |
| Sleeve Length | 15.5 | 16.25 | 17 | 17.75 | 18.5 | 19.25 | 20 |