It's become more common in recent years to see NFL players wearing Guardian Caps on the field. Here's how they work.

Fall brings football season in the U.S. and, with it, the parade of distinctively decorated helmets that the players wear. Over time, the shape and size of these helmets have gradually changed, from ...

This photo provided by Riddell shows former NCAA college football athlete and profession model Manny McCord wearing an Axiom helmet at Natural Light Studio in Dallas, Texas, Oct. 28, 2021. Riddell has ...