Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
NFL, NFLPA Release 2021 Helmet Laboratory Testing Performance Results
NYSportsJournalism.com - NFL Testing Approves First QB-Specific Helmet
First QB helmet designed to help reduce concussions approved
The Quest for a Better Football Helmet
VICIS and Carbon Combine Technologies to Create Top-Rated Helmets - Carbon
NFL Releases List of Top Safety Helmets - Team Insight
NFL at 100: Helmets go high tech in quest for player safety
American Football - Burnham & Slough 15 - 17's training
NFL enters next era of helmet safety
Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings
Experience unparalleled impact performance. The VICIS brand took the top 5 slots in this year's NFL and NFLPA Helmet Laboratory Testing.…
Helmet Laboratory Testing Performance Results
Where Does Your Helmet Rank—New 2018 NFL Lab Results Are In
NFL345 on X: The @NFL & @NFLPA worked collaboratively to test & rank 41 total helmet models, including three new models never tested before by the league. All three new helmet models