Football helmets have come a long way since the days of the leatherheads, but there's obviously still some work to be done ...

Ex-MIT linebacker Kodiak Brush helps design the Apache helmet, earning the highest safety rating ever from Virginia Tech.

or were produced by companies no longer manufacturing football helmets. All the helmets listed below are prohibited for use on-field by NFL players.

About 30 percent of NFL players wore helmet models last season that put them at a 27 percent increased risk of concussions, according to league data.

30% of NFL Players Across the League Have the Opportunity to Upgrade Helmets to Better-Performing, Safer Models for 2025 Season Laboratory Testing Results Supported by On-Field Data with Top ...