Portwest | M Size Chart
| U.S Men | Chest | ||
|---|---|---|---|
| XS | 32" | 33" | 34" |
| S | - | 36" | 38" |
| M | - | 40" | 41" |
| L | - | 42" | 44" |
| XL | 46" | 47" | 48" |
| XXL | - | 50" | 52" |
| 3XL | - | 54" | 55" |
| 4XL | - | 56" | 58" |
| 5XL | 60" | 62" | 64" |
| 6XL | 65" | 66" | 67" |
| U.S Men | Chest | ||
|---|---|---|---|
| XS | 32" | 33" | 34" |
| S | - | 36" | 38" |
| M | - | 40" | 41" |
| L | - | 42" | 44" |
| XL | 46" | 47" | 48" |
| XXL | - | 50" | 52" |
| 3XL | - | 54" | 55" |
| 4XL | - | 56" | 58" |
| 5XL | 60" | 62" | 64" |
| 6XL | 65" | 66" | 67" |