Head Protection There are some practical reasons for wearing a hard hat. They help keep your head cooler in summer; dry during rain; and helps shield your ears from noise. But the main reason to wear a hard hat is that it protects the control center part of your body—your head. Guide for Discussion What a Hard Hat Does Protects you from falling objects. Protects your head in case of a fall or a bump into an object. Protects you from electrical shocks and burns if it's a non-conductive hat. It is a neat place to put stickers and decals, such as first...