O'Neill Men's Wetsuit Size Guide
| Size | Height (cm) | Weight (kg) | Chest (cm) | Waist (cm) |
|---|---|---|---|---|
| XS | 170–175 | 57–64 | 92–95 | 72–75 |
| S | 173–178 | 64–70 | 95–99 | 75–79 |
| ST | 183–188 | 66–75 | 95–99 | 75–79 |
| MS | 169–174 | 66–75 | 99–104 | 79–84 |
| M | 175–180 | 70–77 | 99–104 | 79–84 |
| MT | 185–191 | 73–82 | 99–104 | 79–84 |
| LS | 171–177 | 73–82 | 104–110 | 84–89 |
| L | 178–183 | 77–86 | 104–110 | 84–89 |
| LT | 188–193 | 82–91 | 104–110 | 84–89 |
| XLS | 174–179 | 82–91 | 110–116 | 89–94 |
| XL | 180–185 | 86–95 | 110–116 | 89–94 |
| XLT | 191–196 | 91–100 | 110–116 | 89–94 |
| 2XLS | 176–181 | 91–100 | 116–123 | 94–99 |
| 2XL | 183–188 | 95–104 | 116–123 | 94–99 |
| 3XL | 183–191 | 104–114 | 123–129 | 99–112 |
