Guardian Cap Results: “Exceeded Our Expectations”
NFL players don Guardian Caps, designed to protect from concussion
As NFL mandates Guardian caps in practice, area high school football teams have been using them for years, Sports
EXPLAINER: NFL using helmet caps for player safety, research - The San Diego Union-Tribune
Guardian Cap Use a Concern for Watt, Saleh Early in Training Camp - Sports Illustrated
What Pros Wear: Guardian Caps What are Those Helmet Covers Being Worn in Practice? - What Pros Wear
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
NFL CMO Dr. Allen Sills explains importance of mandated guardian caps during training camp
EXPLAINED: US National Football League Using Helmet Caps For Player Safety, Research - News18