Aka. Almain Rivet, An Almain rivet is a suit of European armor made en masse in the late 15th and 16th century to equip foot soldiers. These plate harnesses were often made of iron and produced in large numbers at little cost to equip the new armies of the early Renaissance, based on professional standing armies wearing standardized equipment for specific roles. They consisted of a breastplate and back plate, articulated tassets and spaulders and a gorget. It was usually coupled with an open faced helmet like a cabasset, morion or burgonet.   Source: https://historicalfightingguide.tumblr.com/post/175949955742/what-is-an-almain-rivet https://european-armour.com/A-307.html