A breastplate is a piece of armor that covers the front of a soldier's torso. It is designed to protect vital organs during battle, such as the heart and lungs. Historically, breastplates were made from materials like metal or leather and were worn by knights and warriors in various cultures. They often featured intricate designs and symbols that represented the wearer's status or allegiance. In modern times, the term "breastplate" can also refer to protective gear used in sports or certain professions. For example, in American football, players wear padded breastplates to shield themselves from impacts. Similarly, some firefighters use specialized breastplates to protect against heat and debris while on duty.