O'Neill Superlite ISO 50N Size Chart
Metric system
| Size | Rating | Weight kg | Chest cm |
| XS | 50N | 39.5-49.5 | 69-78 |
| S | 50N | 49.5-59.5 | 78-90 |
| M | 50N | 59.5-69.5 | 90-100 |
| L | 50N | 70+ | 100-110 |
| XL | 50N | 70+ | 110-119 |
| 2XL | 50N | 70+ | 119-129 |
| 3XL | 50N | 70+ | 129-139 |
| 4XL | 50N | 70+ | 139-149 |
Imperial system
| Size | Rating | Weight lb | Chest in |
| XS | 50N | 88-110 | 27.5-31.5 |
| S | 50N | 110-132 | 31.5-35.5 |
| M | 50N | 132-154 | 35.5-39.5 |
| L | 50N | 154+ | 39.5-43.5 |
| XL | 50N | 154+ | 43.5-47 |
| 2XL | 50N | 154+ | 47-51 |
| 3XL | 50N | 154+ | 51-55 |
| 4XL | 50N | 154+ | 55-59 |
How to measure
Follow the instructions below and compare your measurements with the size chart
Chest circumference men
Measure the circumference of the chest around the widest point.
Tip! Use a soft measuring tape, to ensure that the product fits properly. Alternatively, use a piece of string and then measure it against a ruler
