Early Foundations: Armor and Weaponry of the First Templars (1119–1187)

The Knights Templar, founded in 1119 as a small band of poor soldier-monks, initially relied on equipment typical of 12th-century European cavalry. A full-length chainmail hauberk—weighing roughly 30 pounds—covered the knight from neck to knee, while a separate mail coif protected the head and neck. Beneath the mail, a padded gambeson absorbed shock and prevented chafing. Leg defenses were minimal: often only mail chausses (leggings) or leather strips, with simple mail shoes. Helmets were conical nasal helms, open-faced with a central bar guarding the nose, offering decent protection while preserving vision and ventilation—essential in the Levantine heat.

The primary weapons were the straight, double-edged sword (about 36 inches long), a heavy wooden lance for shock charges, and a large kite shield that covered the left side from shoulder to shin. Templar Rule required knights to carry both a sword and a dagger (the misericorde) for finishing wounded enemies. Crossbowmen and archers were not part of the knightly complement; early Templar forces relied on hired mercenaries or allied infantry for ranged support. The Order’s first major test came during the Second Crusade (1147–1149), where Templars discovered that their European-style armor struggled against Saracen mobility, composite bows, and the desert climate. Mail rusted quickly in coastal humidity, and the weight of full hauberks exhausted knights on long marches. Some knights began removing sleeves to improve airflow, and lighter leather reinforcements were occasionally substituted for full mail.

Battle of Montgisard (1177): A Defining Engagement

One of the earliest battles that forced adaptation was the **Battle of Montgisard**, where a small Templar force under Grand Master Odo de Saint-Amand joined King Baldwin IV to defeat Saladin’s much larger army. Although the Templars fought with their standard chainmail and kite shields, the engagement revealed the vulnerability of open-faced helmets to arrows when knights lost their shields. After Montgisard, Templar armorers began reinforcing the nasal helm with a wider brow plate and occasionally a cheek piece, providing better facial protection without full enclosure. The battle also demonstrated the need for lighter, more flexible armor that allowed knights to fight longer in the heat—spurring experimentation with ventilation slots in helms and the use of linen padding under mail.

The Cataclysm of Hattin and Accelerated Innovation (1187–1191)

The Battle of Hattin in 1187 proved catastrophic. Grand Master Gerard de Ridefort led a reckless charge that ended with the capture of the True Cross and the annihilation of most Templar knights. Survivors reported that Saladin’s composite bows could punch through mail at close range, and that extreme heat caused knights to discard armor, leaving them defenseless. The loss forced the Order to rethink its entire approach to equipment. Within a decade, limited plate reinforcements appeared: knee cops (poleyns), elbow cops (coudières), and plate shoes (sabatons) were riveted over mail. By 1200, many Templars wore a great helm—a flat-topped bucket helmet that offered excellent all-around protection but restricted vision and ventilation. The mail coif was often replaced by a padded arming cap under the great helm, and chest protection improved with a coat of plates, a cloth-covered vest with overlapping iron plates sewn inside. This coat was lighter than a solid breastplate but nearly as effective, allowing better mobility and heat dissipation.

Siege of Acre (1189–1191): Helmet Evolution

The Third Crusade’s Siege of Acre was a forcing house for helmet design. Templars fighting on the walls needed helmets that could deflect crossbow bolts fired at close range from any angle. Craftsmen in Crusader ports developed the cervelliere—a snug steel cap worn under the mail coif—which later evolved into the bascinet. By 1290, Templars in the Holy Land used bascinets with a movable visor (the “hounskull” style), offering both excellent protection and improved airflow compared to the great helm. The bascinet’s pointed top deflected strikes, and the visor could be raised for better breathing during lulls in combat.

Battle of La Forbie (1244): Shield Reinforcement

At La Forbie, Templars suffered another devastating defeat against Khwarezmian mercenaries who used fast-moving horse archers firing from all directions. In response, Templar shields grew longer and more concave—the heater shield, a smaller triangular shape, became standard. Lighter and easier to handle on horseback than the bulky kite shield, the heater offered excellent arrow deflection when angled correctly. This design was adopted by most Western European knights by the late 13th century.

Weapon Adaptations in the Crusader States

Templar weaponry evolved alongside armor. Swords initially had broad, parallel edges optimized for cutting; by the 13th century, blades grew longer and more pointed, effective for both cutting and thrusting through armor gaps. The one-handed arming sword was complemented by the longsword, used with two hands in dismounted fighting. Crossbows became ubiquitous after the Third Crusade: Templar sergeants and turcopoles (light cavalry) commonly used them, and the metal prod could penetrate mail at over 200 yards. Maces and flails were reintroduced around 1250 for close-quarters fighting against heavily armored opponents—a 2–3 pound mace could crush a helmet without needing a sharp edge. Templar grand masters ordered that every knight carry a mace as a secondary weapon for mounted charges where swords might shatter.

Polearms and Siege Warfare

During sieges, Templars used polearms such as the voulge (a wide blade on a long shaft) and the glaive for dismounted defense of breach points. The war hammer also appeared, with a blunt face on one side and a spike on the other—ideal for smashing armor joints. Templar engineers maintained and improved siege engines, studying Byzantine and Arab trebuchet designs to counter enemy fortifications.

Horses and Barding: Armoring the Warhorse

A Templar knight was nothing without his warhorse (destrier). Early in the Order’s history, horses wore only a light caparison; by the 13th century, horse barding of mail or plate was common. The shaffron (head piece) and peytral (chest protection) became standard, adding 60–80 pounds of metal. Templar records show that the Order maintained horse breeding farms in Cyprus and Sicily to supply mounts capable of carrying an armored man. The horses themselves were armored incrementally—first with a mail trapper, then with plate pieces—as battlefield threats evolved.

Logistics and Supply: The Templar Armory System

The Templars were master logisticians. Their preceptories across Europe collected armor and weapons as donations; in the Holy Land, smithies in Templar castles could produce swords, mail, and crossbow parts. The Order banned decorative practices to conserve metal: Rule 42 forbade gold or silver spurs or sword belts. Armor repairs were centralized; worn hauberks were sent to depots in Acre, where teams of armorers patched and reassembled mail from salvaged rings. This recycling allowed Templars to field large numbers of well-equipped soldiers. The Order also maintained supply lines of spare parts: thousands of crossbow quarrels, spare mail rings, and replacement blades were stockpiled in castles like **Pèlerin (Castle Pilgrim)**.

Legacy of Templar Armament

Though the Templar Order was dissolved in 1312, its armor innovations outlived it. The coat of plates evolved into the late-medieval cuirass; the bascinet became standard for armies of the Hundred Years’ War. Templar emphasis on standardization and quality control influenced later military orders, including the Hospitallers and Teutonic Knights. Today, surviving Templar fortresses and museums like the Royal Armouries in Leeds and the Metropolitan Museum of Art’s Arms and Armor collection display pieces attributed to Templar knights—though truly authentic Templar-marked armor is rare. Most surviving examples come from contemporary knights who fought alongside or against the Order.

In the end, the evolution of Templar armor and weapons mirrors the broader trajectory of medieval martial technology. From mail-clad crusaders of 1120 to the plated warriors of 1291, Templars adapted repeatedly—and their innovations outlived the Order itself, shaping European warfare for generations.