2020 DOT Helmet Performance Test Data Update: Failure Rate Increases
Vicis high-tech helmets take top 3 spots in NFL's annual performance ranking of equipment – GeekWire
VICIS and Carbon Combine Technologies to Create Top-Rated Helmets - Carbon
Soldier Center Helmet Lab technology leads to revolutionary new combat helmet, Article
Soldier Center Helmet Lab technology leads to revolutionary new combat helmet, Article
Helmet Laboratory Testing Performance Results
Development and Evaluation of a Test Method for Assessing the Performance of American Football Helmets
Varsity Football Helmet Ratings
Impact test comparisons of 20th and 21st century American football helmets in: Journal of Neurosurgery Volume 116 Issue 1 (2012) Journals
NFL & NFLPA approve first position-specific helmet for linemen – New York Daily News
Helmet Laboratory Testing Performance Results
VICIS Zero1 top testing helmet NFL
Tactical Helmets: Testing & Ballistic Protection Levels