Vicis Helmets Claim Top Three Spots in NFL/NFLPA Helmet Laboratory Performance Testing
Helmet Laboratory Testing Performance Results
CQ Researcher - Sports Safety
Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings
NFL, NFLPA Release 2019 Helmet Laboratory Testing Performance Results
San Francisco 49ers linebacker Dre Greenlaw is ejected for a helmet-to- helmet hit on Justin Herbert
What will football helmets look like in future? UC Berkeley scientists may know
NFL, NFLPA approve helmet designed to reduce QB concussions - ESPN
First QB helmet designed to help reduce concussions approved
American Rules Football Helmet: Components, Specifications & How it's Made