After 5 years on the field with major college programs, Guardian won the first NFL HeadHealthTECH challenge to “develop new and improved helmet and protective equipment over the next three to five years.”
Additional testing by the NFL & NFLPA appointed engineers, using updated metrics and equipment, revealed that Guardian Caps made a statistically significant improvement over hard-shell helmets alone
NFL sent out a memo permitting Guardian Caps. Jacksonville Jaguars were the first team to implement Guardian Caps.
Six more NFL teams began to utilize Guardian Caps, including the Rams, Dolphins, Bills, Panthers, Bears, Chargers.
NFL Owners voted to mandate Guardian Caps through the 2nd preseason game for OL/DL/LB/TE.
Guardian Caps debuted at NFL Training Camps on all 32 teams.
After the 2022 season, ESPN reported that the NFL brought practice concussions to an eight-year low of 25. Concussions among the players wore Guardian Capsdropped more than 50%
The NFL has mandated Guardian Caps for the 2023 season with expanded use. Changes include use in all preseason, regular season and post season practices instead of just preseason. Players at position groups with most head contact will be required to wear Caps; this adds running backs and fullbacks to the previously included linemen and linebackers.