Development and Evaluation of a Test Method for Assessing the Performance of American Football Helmets
VICIS ZERO2 Football Helmet, SO-212-S Facemask Attached, White, Medium : Sports & Outdoors
Youth Football Helmet Ratings
Where Does Your Helmet Rank—New 2018 NFL Lab Results Are In
American Football - Burnham & Slough 15 - 17's training
Hockey Helmet Ratings: 2023 Edition
Helmet Innovation: More and Better Choices, Fewer Concussions
Brian McCarthy on Twitter: Here's the poster that will be shared w/ all NFL players, team medical, training, coaching & equipment staffs to help inform equipment choices. @NFLPA & @NFL appoint biomechanical
Vicis high-tech helmets take top 3 spots in NFL's annual performance ranking of equipment – GeekWire
Comparison of Laboratory and On-Field Performance of American Football Helmets
2019 Helmet Laboratory Testing Performance Results
Cleat Pattern Laboratory Testing Performance Results on Synthetic Turf