Helmets go high tech in quest for NFL player safety
Brady's helmet brand banned following NFL, union study
The 2018 Vicis Zero1 Wins Top Honors in NFL and NFLPA Testing
Vicis is out of business, but NFL commercial features high-tech football helmet during playoffs – GeekWire
Helmet maker rounds out football portfolio with new headgear
Players Just Wore This Startup's New Soft Helmets in an NFL Preseason Game
High-tech football helmet startup Vicis closes $8M round from more than 140 investors – GeekWire
NFL at 100: Helmets go high tech in quest for player safety – WATE 6 On Your Side
Vicis unveils revamped high-tech helmet under new ownership following tumultuous startup journey – GeekWire
NFL at 100: Helmets go high tech in quest for player safety
NFL Reveals New Quarterback-Specific Helmet To Help Combat Head Injury - The Sports Credential
The NFL calls Vicis Zero1 helmets the safest yet
Helmet safety: Coaches agree that safety is their top priority, but, for some, the expense is a major challenge
VICIS has top 3 helmets in survey including lineman model