Football helmets evolved from simple leather caps into engineered shells with layered padding and face masks. Each change responded to injuries and new materials.
Timeline
| Era | Development |
|---|---|
| Late 1800s | Few players wear any head protection; some use leather straps or “head harnesses” |
| Early 1900s | Soft leather helmets become common |
| 1939 | Riddell introduces a plastic suspension helmet |
| 1940s | Helmets become mandatory in college (1939) and the NFL (1943) |
| 1950s | Single-bar face masks appear, then more protective cages |
| 1970s | NOCSAE safety standards introduced for helmets |
| 2000s to today | Energy-absorbing liners, lab testing and rankings, position-specific designs, soft-shell practice caps |
What helmets can and can’t do
Modern helmets are very effective at preventing skull fractures and serious head injuries, but no helmet can prevent all concussions. Proper fit, technique and rules limiting head contact all matter.
Frequently asked questions
When did football helmets become mandatory?
In college in 1939 and the NFL in 1943.
Do helmets prevent concussions?
They reduce impact but cannot prevent all concussions.
When were face masks added?
They became common in the 1950s.






