NFL ENTERS NEXT ERA OF HELMET SAFETY WITH QUARTERBACK-SPECIFIC HELMET - OnFocus
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
VICIS Zero1 tops list in NFL helmet performance testing
NFL enters next era of helmet safety with advent of quarterback-specific helmet, Sports
NFL, NFLPA announce ban of 10 helmet models after laboratory study
Helmet Laboratory Testing Performance Results
Official Site of the National Football League
Will the NFL's Blitz for Position-Specific Helmets Pay Off?
Texas A&M University-Commerce to convert entire football roster to VICIS ZERO1 helmets - Texas A&M University-Commerce Athletics
A brief history of Football helmet technology
Unprecedented Rate Of Improvement Stimulated In Helmet Industry, New Standard Set For 'Top-Performing' Helmet Models Worn By NFL Players
Dozens of NFL players will likely test positive for COVID-19 at camp. Catching them is imperative - The Boston Globe
Where Does Your Helmet Rank—New 2018 NFL Lab Results Are In