NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic

Some think the extra layer makes a positive difference while others believe it could have a negative effect.

NFL exec suggests Guardian Caps worn to protect players during

The story behind those soft-shell puffy Guardian Caps players have

nfl helmets training camp

Why haven't more European soccer stars become NFL kickers?, NFL

NFL's use of Guardian padded helmet caps in camp draws support and

What's With Those Padded Caps NFL Players Are Wearing In Training

Packers share thoughts on wearing Guardian Caps at camp

NFL expands rule against misuse of helmet; Guardian Caps required in regular season, postseason

Guardian Caps: Why some NFL players are wearing them in training camps