The first baseball caps were worn by the New York team , the Knickerbockers,around 1840 and they were made of straw. Today baseball caps are made of different fabrics and worn by people from all walk of life. There is no age limit to the wearing of a baseball cap. Everyone from small children to seniors has adopted the cap. The cap are comfortable to wear andadjustable for a good fit,and they are often made of fabric that makes them cool to wear on a hot day. Caps keep the sun out of your face and protect you from the rain/ but for many people, they are also a fashion statement.