Body armor is something you wear to protect your body from getting hurt. It's like a shield that you can wear on your body to protect you from things like bullets or sharp objects.
There are different types of body armor, but most of them are made of a special material called Kevlar. Kevlar is really strong and can stop bullets from hurting you.
When you wear body armor, it covers your chest, back, and sometimes your arms and legs. It's kind of like wearing a big, heavy coat or jacket. But instead of keeping you warm, it keeps you safe from things that might hurt you.
Police officers, soldiers, and other people who are in dangerous situations wear body armor to help protect themselves. It's important to wear body armor if you think you might be in danger.