NFL players don Guardian Caps, designed to protect from concussion

#039;Guardian Cap' is the latest piece of equipment designed to mitigate repetitive head trauma. Not all players are on board.

Guardian Caps: NFL requires use of helmet cover at training camps to reduce head injuries

What are those funny-looking soft caps on NFL helmets during camp?, Sports

NFL 2022: 14 NFL Teams to Wear New Uniforms and Helmets

Minnesota HS football team to wear Guardian Caps during games - Coach and Athletic Director

Puffy, spongy Guardian Caps could help curb NFL head injuries - The Washington Post

Guardian Caps: Why Some NFL Players Are Wearing Them In, 52% OFF

Training Camp Trials: Consistent Forward Groups, Defensive

NFL players don Guardian Caps, designed to protect from concussion

NFL 2022: 14 NFL Teams to Wear New Uniforms and Helmets

Safety first: Lopers to wear padded caps in practice to prevent concussions