23/04/2026
LORICA SEGMENTATA / LAMINATA
illustration: Ron Embleton
The most visually defining armor of Rome’s military machine.
Worn during the empire’s peak 1st–3rd centuries AD, this articulated cuirass gave Roman soldiers a uniform, mechanical appearance a wall of identical warriors moving in unison, projecting invincibility.
Made of overlapping iron strips (laminata) fastened with leather straps and hinges, it offered superior defense against arrows and slashing weapons while remaining light (approx. 17 lbs) and flexible. Its modular design evolved through key variants:
Kalkriese Type 9 BC–AD 50:
Earliest form, used in Germanic campaigns.
Corbridge Types A & B (AD 40–140):
Refined with lobate hinges and brass fittings, found in Hadrian’s Wall hoards.
Newstead Type (mid-2nd century):
Simplified, robust, and mass-producible, seen on Trajan’s Column.
Though not called “segmentata” by Romans (a Renaissance term), it was likely known as lorica laminata. It was not elite armor veterans often preferred lorica hamata (mail) for comfort and coverage. Instead, segmentata was standard issue for legionaries, symbolizing state power, logistical precision, and battlefield cohesion.
Its decline by the 3rd century came from high maintenance and repair costs a single damaged plate could disable the entire cuirass.
SOURCES:
Academic study of design, function, and evolution based on the Corbridge Hoard.
http://artserve.anu.edu.au/raid1/student_projects97/armour/segmented/segmented.html
Definitive peer-reviewed study on Roman arms and armor evolution.
https://www.academia.edu/92184953/Roman_Military_Equipment_from_the_Punic_Wars_to_the_Fall_of_Rome
Analysis of construction, variants, and archaeological context.
https://legionsix.org/basic-gear/body-armor/