A Thureos is a type of ancient shield used primarily by the Ancient Greeks and Macedonians. It is characterized by its large, oval shape and was typically made of wood, often reinforced with metal. The design allowed for better mobility and protection in battle, making it a popular choice among soldiers. The Thureos was usually carried by light infantry, known as peltasts, who relied on speed and agility. Its unique shape provided coverage for the body while allowing the soldier to maneuver effectively. This shield played a significant role in various military formations and tactics during ancient warfare.