NFL safety: How VICIS' position-specific helmets have become all the rage - The Athletic
The Safest Football Helmet Is Not Yet a Hit in the NFL - WSJ
What Pros Wear: Top 5 Helmets Rated by the NFL & NFLPA - What Pros Wear
NFL helmet maker helping curb soldiers' head injuries – The Denver Post
NFL helmet maker partners with U.S. Army to research military head injuries - ESPN
NFL, NFLPA release results of annual helmet testing: Three previously approved models now prohibited
NFL takes first-ever step to ban some helmets after testing - The San Diego Union-Tribune
Football helmets have improved but are far from 'concussion proof' – San Bernardino Sun
The NFL calls Vicis Zero1 helmets the safest yet
Texas A&M University-Commerce to convert entire football roster to VICIS ZERO1 helmets - Texas A&M University-Commerce Athletics
This Startup's 2 Helmets Are Officially the Safest in Football, According to the NFL
How Much Do NFL Helmets Cost?
Helmet Laboratory Testing Performance Results