Greek hoplite warfare has traditionally been explored through the extant textual and pictorial evidence. This has resulted in an incomplete picture, with much of the focus on the strategic and tactical aspects of battle, to the neglect of practical and functional considerations of combat. As a consequence, many of our understandings of the nature of hoplite combat, the how, remain deficient. In this paper, I explore the structural and functional aspects of the hoplite shield, the single most important item in the Greek hoplite's panoply, to determine its efficacy in a combat environment. Through a set of controlled practical experiments, the effectiveness of the hoplite shield is tested to establish its defensive qualities vis-a-vis the long thrusting spear, the hoplite's primary offensive weapon. Hayward (1968, 316) defines combat effectiveness as 'the probability of success in combat operations'. Consequently the combat effectiveness of the hoplite shield can be determined by establishing the probability of achieving success (defending/ striking an opposing hoplite) in a combat environment.

Despite the vast research undertaken on hoplite warfare, surprisingly little is known about how hoplite shields were made, the very technology underpinning the transformative military reforms of hoplite warfare. The few forays that have explored the manufacturing process have been isolated and unintegrated studies leading to an often simplistic and superficial uniformity of production model which does not reflect the evidence. This article analyses the physical remains of extant hoplite shields and finds a plurality of different designs in concurrent use with core compositional differences that likely impacted combat performance and economic value with some designs performing better than others. Moreover, the use and availability of different shield designs of variable quality and economic value suggests a wider range of socioeconomic diversity in hoplite armies and among hoplites than is generally assumed.