Old leather football helmets sit on the shelf above modern football helmets. (AP)
This 1948 photo shows players on the Chicago Bears wearing leather helmets. (AP)
Helmet technology has changed so much over the years to keep NFL players safe. (AP)
Minnesota Vikings in 1971 wear the newer hard shell helmet style. (AP)
No piece of protective equipment has changed as much over the past 10 years as the helmet. (AP)
One was just a leather cap. One had only a single-bar facemask. These were the first football helmets.
People today make safer helmets. That is good news. The helmets you wear are safer too.