What material is used to make spike in running shoe?

Track shoes with spikes on the bottom help you improve your run greatly. They are only used for field events and sprinting however. Some meets and clubs require that you have certain lengths of spikes. They skrew in and are easy to take in and out. Your form should be developed before you start using them and are not recommended for younger kids. These shoes are usually light-weight and can cost anywhere from $20-$120.