what are the covers on nfl helmets

Those soft, padded-looking covers you’re seeing on NFL helmets are called Guardian Caps , and they’re add‑on safety shells designed to reduce the force of impacts to players’ heads.

Quick Scoop

• Guardian Caps are soft-shell pads that strap onto the outside of a standard football helmet.
• The NFL first required them in practices for certain high‑contact positions and has steadily expanded that mandate over the last few seasons.

• The goal is to cut down the impact forces that contribute to concussions and long‑term brain issues.

What exactly are those covers?

Guardian Caps are:

• A padded, flexible shell that sits on top of the regular hard helmet.
• Made from impact-absorbing materials that help reduce and redirect some of the force when helmets collide.

• Designed to attach and detach with straps, snaps, or Velcro, so players can wear them in some sessions and remove them in others.

They do not replace the helmet; they’re more like a thick “jacket” or cushion over the helmet.

Why is the NFL using them?

The league turned to Guardian Caps after years of concern about concussions and repetitive head trauma.

Key reasons:

• Data from lab testing and team use showed a statistically significant reduction in impact severity when caps were worn over helmets compared with helmets alone.

• The NFL’s head‑health innovation programs helped fund and validate the tech, and the league later reported its lowest concussion numbers since it began formal tracking, alongside broader helmet improvements.

• They’re an easier step than totally redesigning and re‑normalizing football helmets, which players and fans are very sensitive about aesthetically.

Who has to wear them?

The NFL rolled Guardian Caps out in stages, focusing first on players who collide the most.

Over recent seasons, mandates have applied to:

• Offensive and defensive linemen
• Tight ends, linebackers, running backs, and fullbacks
• Later expansion to wide receivers and defensive backs during contact practices

In many cases:

• They’re required during training camp and contact practices (preseason, regular season, postseason), not just optional gear.

• Some specially-rated helmet models can be used instead of a separate cap, if they meet or exceed the protection levels of a helmet‑plus‑cap combo.

• In recent seasons players have also been permitted, but not forced, to wear them in actual games.

Do they really help?

The answer is: they help, but they’re not a magic shield. Evidence and views:

• League and manufacturer testing show reduced impact forces when caps are used, which is why mandates have expanded over time.

• There’s still debate among fans, players, and some researchers about how much they actually prevent concussions versus just lowering some measurable impact metrics.

• Some players think they look “goofy” or like a “bobblehead,” but still wear them because they might help protect their brains.

So, when you see those bumpy foam covers on NFL helmets, you’re looking at Guardian Caps: an extra padded layer the league has adopted to dial down some of the violence of helmet‑to‑helmet hits in a sport that’s trying—slowly—to get a little safer.

Information gathered from public forums or data available on the internet and portrayed here.