-
The first type of Helmets were the Soft Leather style
-
The soft leather style helmet was updated and made into the hard leather style. This was still not very good protection.
-
The first ever chin strap was added to the Hard Leather Style helmet
-
In 1955 the NFL came out with its first Plastic helmets. These helmets were not only made out of plastic they had the first single face bar and internal padding.
-
The NFL upgraded its face-mask to a double bar instead of the one single bar to protect players eyes and other facial objects.
-
In 1972 Riddell decided to add better padding know as air bladders so that the helmet could take more of an impact. The NFL also adopted the full face-mask to protect the players entire face.
-
The NFL adopted even more face protection in Visors to make sure that players eyes were protected.
-
The NFL started making Polycarbonated helmets and also required for all face-masks to be transparent.
-
Riddell decided to come out with the revolution helmet to prevent concussions in the NFL. Also single face-bar helmets were officially banned from the NFL.
-
The NFL released the impact indicator chin strap to detect head injury before it gets fatal.