| SIZE | Across Chest | Down Back |
| S | 18" | 28" |
| M | 20" | 29" |
| L | 21" | 28.5" |
| XL | 23.5" | 31" |
| 2XL | 25.5" | 32" |
| 3XL | 27.5" | 33" |
How we measured:
With the shirt laid flat, we measured from armpit to armpit (across). For "down back" we started at the very top of the neck (in the center), straight down to the bottom edge of the shirt.
