The O'Neill R&D process provides the best quality, fit and functionality in the industry. Our USCG life vests continue to set new standards of excellence in design for all wake and waterski athletes.
| Size | Chest Measurement |
| X-Small | 33-35 inches |
| Small | 35-37 inches |
| Medium | 37-39 inches |
| Large | 39-41 inches |
| X-Large | 41-43 inches |
| XX-Large | 43-46 inches |
| XXX-Large | 47-50 inches |
