The first baseball caps were worn by the new york team the knickerbockers around 1840 and they were made of straw. To day baseball caps are made of different fabrics and worn br people from all walks of life. There is no age limit to the wearing of a basebll cap. Everyone from small children to seniors has adopted the cap. The caps are comfortable to wear and adjustable for a good fit and they are often made of fabric that maked them cool to wear on a hot day. Caps keep the sun out of your face and protect you from the rain bat for many people they are also a fashion statement