Alex Smith Is Wearing a New Helmet Designed to Reduce Concussions
First QB helmet designed to help reduce concussions approved
NFL, NFLPA approve helmet designed to reduce QB concussions - ESPN
Revolutionary new ZERO1 football helmet may help NFL players reduce concussions
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
First quarterback-specific helmet designed to reduce concussions approved for use by NFL - The Phinsider
Riddell launches Axiom, latest helmet to combat concussions
First QB helmet designed to help reduce concussions approved - WTOP News
First QB helmet designed to help reduce concussions approved