NFL on X: The Guardian Cap is an example of the NFL's continued work to foster innovation that leads to better, safer protective equipment for players. / X
What are Guardian Caps and how are they helping football teams?
NFL to Expand Guardian Cap Wear in 2023 - Steelers Now
What's with padded helmet caps teams are wearing
Guardian Cap: What are and why the NFL asks this safety measure in helmets
Guardian Caps NFL: What player positions are required to wear them?
NFL hopes to reduce head injuries with helmet experiment
Cowboys seen wearing protective, NFL mandated Guardian Caps at OTAs
NFL to expand use of Guardian Caps in preseason, regular season practices - NBC Sports
NFL executive hints that Guardian Caps could eventually be worn in games, along with position-specific helmets