| Size | A. Chest Size (inches) | USCG/UL User’s Weight |
|---|---|---|
| XS | 32.5” - 35” | > 90 lbs. |
| S | 35” - 37.5” | > 90 lbs. |
| M | 37.5” - 40” | > 90 lbs. |
| L | 40” - 42.5” | > 90 lbs. |
| XL | 42.5” - 45” | > 90 lbs. |
| 2XL | 45” - 47.5” | > 90 lbs. |
| 3XL | 47.5” - 50” | > 90 lbs. |
While standing with your arms relaxed at your side, wrap a flexible tape measure around your chest at its largest point. The tape measure should go through your armpit and stay parallel with the floor while taking the measurement.