How Engineers Are Making Football Helmets Safer
EOS, BASF, Kupol (and 3D Printing) Big Winners of the NFL Helmet Challenge
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
NFL's Safest Helmets Absorb Impact With 3D Printing Instead Of Foam
Carbon on LinkedIn: Professional players use helmets made with Carbon tech
Ahead of Super Bowl 2019, 3D printing promises safer football helmets - CNET
NFL Helmet Challenge Innovators Seeking to Develop New, Top-Performing Helmets
This 3D printed football helmet liner promises better protection
EOS and BASF 3D printed designs awarded $1.37m NFL Helmet Challenge funding - 3D Printing Industry