A personal flotation device (PFD) is designed to provide buoyancy and keep a person afloat in water, enhancing safety while boating or participating in water activities. Life jackets are classified as Type I, II, III, or V PFDs, depending on their intended use and characteristics. They are specifically designed for safety and are regulated to meet certain standards to ensure they function effectively in emergency situations.
Life jackets provide essential support by keeping the wearer’s head above water, which is critically important in case of falls or capsizing. Their design often includes features like bright colors, reflective material, and adjustable straps to ensure a proper fit and visibility.
In contrast, items like raincoats, floaties, and wet suits may enhance comfort or provide warmth but do not serve the primary function of a PFD, which is to keep individuals safely afloat. Raincoats protect against weather but do not provide buoyancy, floaties offer limited support and are not suitable for all individuals, especially in deeper water, and wet suits serve more to insulate the body rather than to ensure flotation. Therefore, the character and utility of life jackets make them the correct answer among the listed choices.