What factor is assessed when checking the legality of a PFD?

When checking the legality of a Personal Flotation Device (PFD), the critical factor is Coast Guard approval. This means that the PFD has been tested and meets the safety standards set by the U.S. Coast Guard, ensuring that it effectively performs its intended function of keeping an individual safe while on the water. This approval indicates that the device has gone through rigorous testing for buoyancy, construction, and materials, making it a reliable piece of safety equipment.

While color, branding, material type, and size might contribute to the PFD's usability or comfort, they do not determine its legality. Having a Coast Guard-approved PFD is essential not only for compliance with boating safety regulations but also for the safety of all individuals on board. Without this approval, a PFD may not provide the protection required in emergency situations.