Digital Design, QBs Improving Football Helmet Safety
Vicis Helmets Claim Top Three Spots in NFL/NFLPA Helmet Laboratory Performance Testing
NFL, NFLPA release results of annual helmet testing: Three previously approved models now prohibited
Vicis pulls concussion-resistant helmets from UW camp - Sports Illustrated
JOHN DOHERTY: New helmet tries to tackle concussion
NYSportsJournalism.com - NFL, NFLPA Put 2021 Helmets To The Test - Safety First: NFL, NFLPA Helmet Test 2021 Includes Premiere Position-Specific Helmet
NFL to prohibit use of certain helmets for 1st time – The Denver Post
Better helmets, sensored mouth guards part of effort to make football safer
First QB helmet designed to help reduce concussions approved - Newsday
NFL's Safest Helmets Absorb Impact With 3D Printing Instead Of Foam
The NFL calls Vicis Zero1 helmets the safest yet
Chargers News: NFL, NFLPA approves first-ever position-specific helmets - Bolts From The Blue