Guardian Caps a fit for Park Wolfpack - Cottage Grove Journal
Steelers debut new, safer helmets for off-season training
What are Guardian Caps? NFL's latest padded helmets for added safety
NYSportsJournalism.com - NFL Guardian (Caps) Of The Preseason Galaxy - Safety Impact: NFL Expands Presence As Guardian (Caps) Of The Preseason Galaxy
NFL report: concussions dropped 50 PERCENT when players wore new 'Guardian Caps' over the summer
A shocking resolution regarding Guardian Caps is being considered by the League. - The Wood Cafe
NFL mandates extra head protection for training camp
Certain NFL players must wear Guardian Caps through second preseason game
NFL says Guardian Caps reduced concussions by over 50%
Guardian Caps debut at training camps throughout NFL
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
Guardian Cap Debuts at NFL Training Camps League-wide
Coverage of the NFL in Guardian Caps
The story behind those soft-shell puffy Guardian Caps players have been wearing