You can fall and hit any part of your body on the ground while skating. That is why it is necessary to get the equipment that will protect the most vulnerable places of injury.  You should get a helmet, a pair of knee pads, a pair of elbow pads, and a pair of wrist guards.  Most protective equipment includes straps that will allow you to adjust the size according to your convenience. However, you can get precise sizes as well, which can fit you better.