Metal.
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Yes
Knight's armor was typically made of steel, which has a silver color. However, knights often adorned their armor with decorative elements such as engravings, paintings, or colored plumes, which could make the armor appear in various colors.
Knights started wearing plate armor for better protection against arrows and weapons in battle. This armor increased their defense but also reduced their mobility. Additionally, plate armor allowed knights to display their status and wealth.
armor
Knights in Armor - 1976 VG was released on: USA: 1976
Coats of arms were used by knights to identify themselves to friend a foe when they were encased in armor and not otherwise recognizable.
Metal armor (plate armor) was not invented in medieval age, it was already used by ancient greeks and romans. Metal armor allowed knights to be stronger.
The Knights Templar's armor typically consisted of a combination of chainmail and plate armor for protection. They wore a surcoat over their armor, often featuring the distinctive red cross on a white background that symbolized their order. In addition to helmets, gauntlets, and greaves for limb protection, their armor was designed to balance mobility with defense during battles and crusades. The use of heraldic symbols helped to identify individual knights on the battlefield.
iron
A suit of armor
The wear shining armor.