Why are NFL players wearing padding on helmets at training camp?

Bengals linemen, linebackers and tight ends wore Guardian Caps at training camp after the NFL required the padding for some position players this preseason.

EXPLAINER: NFL using helmet caps for player safety, research

If a player wanted to wear a Guardian Cap during a game, the league would prohibit it - NBC Sports

NFL permitting players to display social justice messages on

NFL hopes to reduce head injuries with helmet experiment

The story behind those soft-shell puffy Guardian Caps players have been wearing

NFL CMO Dr. Allen Sills explains importance of mandated guardian

What are Guardian Caps? NFL players sport specialty helmets for 2022 minicamp

The story behind those soft-shell puffy Guardian Caps players have been wearing

The story behind those soft-shell puffy Guardian Caps players have been wearing

new nfl lineman helmet

NFL CMO Dr. Allen Sills explains importance of mandated guardian caps during training camp

Why do NFL teams have players wear extra helmet padding in practice and not in games? If they feel the need for extra padding then clearly they don't think the normal helmets

What are NFL players wearing on their helmets at training camp and how do they work? - The Mirror US