Helmet soft shell - Guardian Cap

[*ochocincos*]

Some of you might have been aware of this years ago, but I just came across the Guardian Cap while doing research on soft shell football helmets to help reduce the occurrence of concussions.
https://www.guardiancaps.com/


This is an outer soft shell that has been around for about five or so years. Peewees all the way up to some college programs have been using these. Primarily in practice, at least for the colleges.
It's supposed to reduce impact up to 33% and can also help avoid other bodily injuries that come in contact with helmets (e.g. helmet to the knee).
One other thing I think is really good about this solution is it simply goes over any normal helmet.
They have different solid colors and I also found a camo one from browsing through their pictures, so I would imagine schools and the NFL could get their logos on them if they decided to use these for games and wanted to keep their same helmet looks.
Here are some testimonials for those interested in reading those - https://www.guardiancaps.com/inaction/testimonials/

What are your thoughts on the Guardian Cap and its potential use in the NFL?