One thing to realize while the guardian may help a bit, it has been shown to reduce the force only 10-15%
https://www.forbes.com/sites/nicolekraft/2024/09/30/nfl-advances-helmet-safety-with-guardian-caps-position-specific-gear/#:~:text=For the first time%2C players,hot%2C and they lack style.
The bottom line is that a concussion is caused when your head and brain are traveling in the same direction, and your head stops but your brain keeps going and hits against the inside of your skull. There are situations where no amount of padding will necessarily prevent that scenario