A shin guard is an equipment that was introduced back in the late 1800s in England. The shin guard can be made by different of materials; some of the materials are:
1- Fiberglass. They are stiff and not heavy
2- Foam Rubber. Super light weight but not strong
3- Plastic. The worst type of shin guards when it comes to safety.
Depending on the player position he/she chooses the right shin guard. For example; a midfielder might need a different type of shin guard that a strike or even a defender.