NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
What are Guardian Caps and how are they helping football teams?
Eagles players on Guardian Caps: 'We look a little goofy,' but all for safety
High school football teams go soft in the fight against brain injuries
What Pros Wear: Guardian Caps What are Those Helmet Covers Being Worn in Practice? - What Pros Wear
NFL hopes to reduce head injuries with helmet experiment
NFL hopes to reduce head injuries with helmet experiment
Guardian Caps: Why some NFL players are wearing them in training camps
Guardian Caps, a soft-shell helmet cover, among CFL's new player-safety initiatives
NFL mandates use of Guardian Caps for training camp in 2022 - Cincy Jungle
High school football teams go soft in the fight against brain injuries
NFL training camp 2022: Why are players wearing Guardian Caps?
Truth About Guardian Caps
EXPLAINER: NFL using helmet caps for player safety, research
High school football looks to Guardian Cap for head safety – The Denver Post