There are many different parts that go into a Riddell football helmet. Here are all of the parts listed. These are the standard components that help keep the players safe. Without these parts the helmet would not function without all of these parts in place.
This is the description of the Riddell helmet face mask. This description shows every component that makes the face mask safe for the players wearing it.
Here they are showing how much padding goes into the helmet and the soft padding that protects the players.The flexliner is the most important part that is on the back, side and neck. This padding is what makes it safe and okay for these players to be okay while getting hit.
http://www.sppss.com/helmet_parts.html