What are Guardian Caps? NFL players sport specialty helmets for 2022 minicamp
Steelers' Kenny Pickett concussion update
Large Bubble Helmets Are Guardian Caps, NFL's New Safety Measure
Why Utah players wore Guardian Caps during camp - Deseret News
NFL hopes to reduce head injuries with helmet experiment
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Puffy Guardian Caps Could Reduce NFL Player Concussions
NFL says positions wearing Guardian Caps saw 52% decrease in concussions - NBC Sports
High school football teams go soft in the fight against brain injuries
High school football teams go soft in the fight against brain injuries
Why Utah players wore Guardian Caps during camp - Deseret News
NFL report: concussions dropped 50 PERCENT when players wore new 'Guardian Caps' over the summer
More padding the issue of concussions and better helmets