Vicis Ran Out of Cash and Lost Its Founders but Is Still Making Super Bowl-Ready Helmets
Helmet safety: Inside the complicated equipment industry - Sports Illustrated
NCAA football helmets: Is style jeopardizing player safety?
New Helmet Technology Aimed to Make Football and Other Sports Safer
Personalized helmets based on 3D scans could be the future of football
Everything you need to know about the NFL's helmet guidelines and restrictions - Canal Street Chronicles
3 Ingenious innovations from the NFL's Helmet Challenge
The Fruitless Search for a 'Concussion-Proof' Football Helmet - The Atlantic
Can a Better Football Helmet Save Your Kid's Brain? - Washingtonian
Material for safer football helmets may reduce head injuries