Some NFL helmets are “covered in cloth” because players are wearing a padded outer shell called a Guardian Cap , which slips over the regular hard helmet to add extra impact protection and reduce head-injury risk.

What that cloth cover actually is

  • The “cloth” is a soft-shell pad made of foam and fabric that straps onto a standard helmet.
  • It is designed to absorb and disperse some of the force from helmet-to-helmet or helmet-to-ground impacts, acting like a bumpers-on-the-outside layer.
  • Guardian Caps have been used for years in practices at youth, college, and pro levels, and the NFL began mandating them for certain positions in practices starting in 2022.

Why the NFL is using them now

  • The league is under heavy pressure to reduce concussions and long-term brain injuries, so it has leaned into any equipment that can lower impact forces without changing the game itself.
  • NFL-backed testing and manufacturer data suggest that adding the soft outer shell can significantly reduce impact severity in many collision scenarios, which is why the mandate has expanded to more positions over recent seasons.
  • In 2024, the NFL officially allowed players to wear Guardian Caps in real games, not just in practice, so viewers started noticing these “cloth-covered” helmets during broadcasts.

Are players required to wear them?

  • For now, most requirements focus on practices: many positions are required to wear the padded covers during preseason, regular-season, and postseason contact practices.
  • In games, they are optional, but the league has opened the door for all players to use them if they want the extra padding.
  • Some players like the added sense of safety; others dislike the look, feel, or think it affects their “swag,” leading to mixed adoption when it is not mandatory.

Do they really work?

  • Lab tests and internal NFL analyses indicate that the soft outer shell can reduce certain impact metrics, which is why the league and many medical experts see them as a useful extra layer, especially in practice where collisions are frequent.
  • Independent research is still evolving, and some critics argue that the real-world benefit, especially in games, may be smaller than hoped, so the science is not completely settled yet.
  • Even supporters usually frame Guardian Caps as one part of a broader safety effort (rules changes, better tackling techniques, updated helmet models), not a magic fix.

Why they look like cloth wraps on TV

  • TV cameras pick up the textured, pillowy outer surface, which makes the helmet look like it has a cloth or foam “beanie” stretched over it, especially in team colors with printed logos.
  • Because only some players and some teams choose to use them in games, it stands out visually next to traditional shiny shells, sparking fan questions and forum threads like “why are some nfl helmets covered in cloth.”

TL;DR: Those cloth-looking covers are Guardian Caps—padded shells added on top of standard helmets to help reduce impact forces and improve player safety, particularly as the NFL responds to growing concern about concussions.