chain mail haubergeon mixed flat rings round rivetChain mail like this was worn by both the 9th century Vikings and the 13th century crusaders. This chainmail is made of flat rings, which are alternately pinched and riveted with round rivets. The rings are made of mild steel and are woven together in a 4: 1 construction. This means that 1 ring is attached to 4 other rings. When measuring your size, wear the underwear you want to wear under the chain mail. If you want to wear the chainmail with