Seattle company designs safest football helmet in the country
Revolutionary new ZERO1 football helmet may help NFL players reduce concussions
Seattle's Vicis raises $15M to expand work on protective football helmet
VICIS ZERO1, Protect the athlete, elevate the game
Vicis unveils revamped high-tech helmet under new ownership following tumultuous startup journey – GeekWire
This Football Helmet Crumples—and That's Good
VICIS Unveils Revolutionary Football Helmet
Snohomish County companies help make safer football helmet
The Zero1 Flexible Football Helmet May Save Players' Brains
What Pros Wear: Top 5 Helmets Rated by the NFL & NFLPA - What Pros Wear
VICIS, which makes 'safest' helmet used by NFL players, is almost out of money