caliga
Caliga (plural caligae) is the Latin term for a heavy, open-topped sandal worn by Roman soldiers. A caliga typically features a thick leather sole studded with hobnails, with a network of leather straps that wrap over the instep and around the ankle. The design provided ventilation and drainage, while the studs and stout sole offered durability and traction for long marches across varied terrain.
Caligae were standard issue for Roman legionaries from the late Republic through much of the Empire and
Etymology and cultural note: The word caliga is the origin of the nickname Caligula, meaning “little boot”
Archaeological finds and literary references attest to the widespread use of caligae across Roman territory, including