Finally: First QB Helmet Designed To Reduce Concussions Has Been Approved by NFL
Seattle's VICIS is bringing its helmet tech to youth football, forcing teams and parents to confront cost
Revolutionary new ZERO1 football helmet may help NFL players reduce concussions
First QB helmet designed to help reduce concussions approved by NFL, NFLPA
VICIS (@vicispro) • Instagram photos and videos
Can high-tech helmets solve football's thorniest problem?
The Safest Football Helmet Is Not Yet a Hit in the NFL - WSJ
What happened to Vicis: Inside the collapse of the high-tech helmet maker, as board decides its fate – GeekWire
Helmet safety: Inside the complicated equipment industry - Sports Illustrated