You might have noticed your favorite NFL player looking slightly different at training camp over the last several seasons. Guardian Caps — helmet coverings intended to add extra protection ...

The NFL has prohibited seven different helmet models for the 2025 ... helmets can now be used without the need for additional guardian caps because they tested so well, NFL executive vice ...

Among the notable changes this year is the number of helmets now designated as “Guardian Cap optional,” meaning they perform well enough that the league will not require players with those ...