NFL studying helmet face guard that works like surgical mask
NFL helmet maker helping curb soldiers' head injuries
Helmet market, with deep Detroit ties, in arms race
WT Football Partners with VICIS - West Texas A&M University Athletics
Alex Smith Is Wearing a New Helmet Designed to Reduce Concussions
Alex Smith Is Wearing a New Helmet Designed to Reduce Concussions
JOHN DOHERTY: New helmet tries to tackle concussion
Seattle-based VICIS unveils new design for football helmets
Heads Up! New helmet getting tryout at NFL minicamps
Vicis Zero2 Trench Adult Football Helmet
NFL to prohibit use of certain helmets for 1st time – The Denver Post