Hard hats are protective helmets designed to keep workers safe in construction sites and other hazardous environments. They are made from strong materials like polycarbonate or fiberglass and are built to withstand impacts from falling objects. Wearing a hard hat helps prevent serious head injuries, making it an essential piece of safety gear for many professions. In addition to protecting against impacts, hard hats often come with features like suspension systems for comfort and chin straps to keep them secure. Some hard hats also have attachments for face shields or ear protection, making them versatile for various tasks. Overall, hard hats play a crucial role in workplace safety.