NFL, NFLPA ban 10 helmet models after failing testing
Football Helmets for 2017 - Riddell and Schutt Helmet Technology
VICIS and Carbon Combine Technologies to Create Top-Rated Helmets - Carbon
Revolutionary new ZERO1 football helmet already in play, said to help dramatically reduce concussions
Packers are using high-tech helmets in hopes of lowering concussions - The Athletic
NFL takes first-ever step to ban some helmets after testing - The San Diego Union-Tribune
There's a new 'safest' football helmet for sale. Now can anyone afford it? - The Washington Post
VICIS Zero1 top testing helmet NFL
The safest helmet in football: What's inside the NFL's newest headgear
NFL, NFLPA Rank VICIS, Schutt, Riddell, Xenith Helmets in Top 10 of Lab Tests
Revolutionary new ZERO1 football helmet may help NFL players reduce concussions
Behind the downfall of helmet darling VICIS: Market barriers, eroding cash and a '$1,000 paperweight' - The Athletic
The 2018 Vicis Zero1 Wins Top Honors in NFL and NFLPA Testing