O'Neill Men's Life Vests Size Chart
O'Neill Men's Life Vests Sizing Information
| Size | NEOPRENE Chest (in.) | NYLON Chest (in.) |
|---|---|---|
| XS | 33 - 35 | 29 - 32 |
| S | 35 - 37 | 33 - 36 |
| M | 37 - 39 | 37 - 40 |
| L | 39 - 41 | 41 - 44 |
| XL | 41 - 43 | 45 - 48 |
| 2XL | 43 - 45 | 49 - 52 |
| 3XL | 47.5 - 50.5 | 53 - 56 |
HOW TO MEASURE: Chest = Measure around your upper body, under your armpits and over the fullest part of your chest and shoulder blades.