Varsity Football Helmet Ratings
The NFL calls Vicis Zero1 helmets the safest yet
VICIS Announces a Price Reduction for its Zero1 Helmet
NFL helmet safety rankings: Seattle startup Vicis tops list again with high-tech head protector – GeekWire
Coming to an NFL game near you, the Zero1, a helmet that helps guard against brain injuries
Vicis high-tech helmets take top 3 spots in NFL's annual performance ranking of equipment – GeekWire