Breastplate Armor

Breastplate armor was a common part of the late medieval armour in Europe. It evolved significantly over the course of the Middle Ages and took many different forms. Initially it took the form of a cuirass and was alternatively used as a part of the surcoat, often sewn into the surcoat garment of the knight. Later, more solid and single-pieced breastplates came into fashion in Europe.

By the 14th and 15th centuries, breastplates had become a permanent part of battlefield armour. The breastplate was one of the most vital pieces of medieval armour while its use lasted, since it shielded the wearer from the main thrust and direction of the enemy’s weapons. It was a popular part of the armour all the way until Napoleonic wars in the 19th century.

Breastplate Armor History

Although the breastplate was commonly used among ancient Greek culture, it was largely abandoned as a piece of body armour in the early period of the medieval ages. This period was noted by the widespread use of chainmail armour among European knights. However, by the 13th century, breastplate came back into use. By this time, it was often sewn into the padded surcoat of a knight, given the knight more flexibility and freedom of movement compared to the wearer of a single-piece breastplate.

By the 14th century, single-piece breastplates were being used by European armies. Breastplate is among the few pieces of body armour which survived in different forms all the way into the modern age, being the precursor to the modern-day bullet-proof vests.

Breastplate Armor Design

The early form of medieval breastplate was a cuirass which covered the front of wearer’s torso. When used in conjunction with the surcoat, the breastplate comprised of several disjointed pieces which when sewed into the surcoat gave the semblance of a single piece of armour.

By the 14th century, the breastplate evolved into a piece of armour which was made from a single piece of armour and constructed from a solid metal such as iron or steel. The edges of this form of breastplate were folded out for the wearer’s protection against bruises and the thickness of the plate ranged from 1mm to 2.5mm.

While the design of the 14th century breastplate covered only the top part of the torso of the wearer, it evolved in 15th century to cover the upper and lower torso, giving the wearer additional protection. This evolution also turned the breastplate into a two-piece armour, with the two plates covering the top and bottom parts of the torso and often overlapping.

Breastplate Armor Advantages and Disadvantages

The Breastplate was initially less favoured compared to chainmail armour in the early Middle Ages. This was primarily because chainmail carried less weight and offered more freedom of movement. However, by late Middle Ages, the breastplate was a standard part of the medieval plate armour.

Despite being heavy, breastplate was very effective against piercing weapons as well as heavy blows, deflecting most of the enemy’s strikes from the polished surface. A minor drawback of the breastplate was that under hot weather conditions, it could heat up rather quickly and became highly uncomfortable to wear. But compared to battlefield advantages, this was mostly endured by the knights.

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