Here's why some Patriots players are wearing caps over their helmets during training camp
Why are NFL players wearing padding on helmets at training camp?
EXPLAINER: NFL using helmet caps for player safety, research
Guardian Caps (@guardian_caps) • Instagram photos and videos
NFL players don Guardian Caps, designed to protect from concussion
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
Why guardian caps are now part of practice helmets for certain Titans
NFL executive hints that Guardian Caps could eventually be worn in games, along with position-specific helmets
Browns wearing Guardian Caps during training camp
Concussions among players who wore Guardian Caps over summer dropped more than 50%, NFL says - ESPN
As NFL mandates Guardian caps in practice, area high school football teams have been using them for years, Sports
Bellmore-Merrick athletics debuts new guardian caps, Herald Community Newspapers