Shorter sword (shorter than the estoc for example) which a man-at-arms carried as part of his most basic level of equipment, regardless of what other optional weapons he chose to carry. (TC)
Protective padded jacket similar to an aketon. It was commonly used by infantrymen and it often had the added protection of metal plates.
These could have the colours or heraldic device of a given lord or army sown on. In the Chronicle of King João I, part 2, Fernão Lopes says that after their defeat at the battle of Aljubarrota (1385), the retreating Castilians turned their "jaques" inside out in order not to be recognized, though they were betrayed by their tongue whenever they spoke. [João2, ch. 45: 46]