Which life jacket must be used for adults during an emergency?

Using an adult life jacket during an emergency is crucial for ensuring the safety of individuals weighing over a certain threshold. Adult life jackets are specifically designed to accommodate the larger size, weight, and buoyancy needs of adults, ensuring that they can remain afloat effectively and breathe properly in emergency situations.

Children's and infant's life jackets are tailored for smaller body sizes, and utilizing them for adults would not provide adequate support or safety, potentially leading to danger in a rescue scenario. Emergency flotation devices, while useful, are not a substitute for properly fitting personal flotation devices such as life jackets, which are designed to keep wearers safe and secure in water. Therefore, using an adult life jacket is the appropriate choice to ensure maximum safety during an emergency.