The one million run of US Army M1 steel helmets (known to most people as steel pots) on or about 1967 for the Vietnam War were made from re-cycled US automobiles (scrapped cars).
Modern US army helmets are made from Kevlar.
Helmets are mostly made from polystyrene
Blacksmiths made the swords javelins armour and helmets. Siege towers and other siege equipment were made by the soldiers. The ballistas (crossbow-like catapults) were made by specialised craftsmen enlisted in the army.
Old Army helmets are a little tough to come by. Most of these types of helmets can be found in second hand or antique stores. You may also be able to purchase them on websites like eBay.
The company is Italian but the helmets are made all over the world.
No there is not any helmets made out of reyceld gargabe!
Roman helmets were made of bronze or iron.
There are no helmets made specifically for Mining, but normal Helmets do exist in Minecraft.
The armour, weapons, tools, and everything else used by the Spartan army was made by a slave class called helots.
world war 1 helmets were made fom sheep skin and cows
The demand for helmets made from declined with the advent of the industrial era
Football and aviation (pilot) helmets were constructed of leather.