This Helmet is Called “Zero1”— Could it be a TEN? - Mid-Atlantic Concussion Alliance
Coming to an NFL game near you, the Zero1, a helmet that helps guard against brain injuries
NFL Vicis helmet: League hoping new high-tech helmets will help reduce concussions - TomoNews
The Safest Football Helmet Is Not Yet a Hit in the NFL - WSJ
Helmet manufacturer Vicis is running out of cash - NBC Sports
Football Helmet Testing, Technology and Safety Research
Seattle's Vicis raises $15M to expand work on protective football helmet
Revolutionary new ZERO1 football helmet may help NFL players reduce concussions
Antonio Brown's Helmet Standoff Nears a Conclusion - The New York Times
VICIS Zero1 top testing helmet NFL