Not all gas masks are compatible with helmets, so some soldiers forgo helmets to wear their masks.
They wore helmets long before world war 1.
Like all soldiers in all ancient armies, Roman soldiers wore helmets to protect their heads
The type of armor Egyptian soldiers wore consisted of helmets, scales, gloves, and protective shields.
Very little or none at all apart from steel helmets
all motorcyclists wear helmets, squids don't wear helmets.
The type of armor Egyptian soldiers wore consisted of helmets, scales, gloves, and protective shields.
Very little or none at all apart from steel helmets
NFL players were first required to wear helmets in 1943. At the time, they were made of leather. They then went to being made of plastic and now are made of polycarbonate.
Sikhs do not have to wear crash helmets as part of there religion.
Because they wanted to hide from the redcoat soliders.
Not all builders wear yellow helmets, but builders generally wear brightly colored helmets...brightly colored to maximize their visibility at the work site, and helmets to protect their heads from injury.