Guardian Caps: The new helmets worn by several NFL teams
NFL executive hints that Guardian Caps could eventually be worn in games, along with position-specific helmets
2023 Gear - Inside the AFCA
NFL exec suggests Guardian Caps worn to protect players during practices could one day debut in games
Football Guardian Caps XT
What Pros Wear: Guardian Caps What are Those Helmet Covers Being Worn in Practice? - What Pros Wear
Concussions: Can cap keep football players' heads in game? – Orange County Register
Frequently Asked Questions
Why the Ticats are wearing those giant helmets at practice
Football Guardian Caps XT
Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings
Is the extra white padding on their helmets for practice a new safety precaution this year? I don't recall seeing these previous years. : r/GreenBayPackers